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Finding the Fourth Proportional to 366,914.35, 550,371.53 and 340,342.30

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Solution

The fourth proportional to 366,914.35, 550,371.53 and 340,342.30 is: 510,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.35 : 550,371.53 = 340,342.30 : x
  2. Step 2: Convert to fraction form
    366,914.35/550,371.53 = 340,342.30/x
  3. Step 3: Cross multiply
    366,914.35x = 550,371.53 × 340,342.30
  4. Step 4: Simplify right side
    366,914.35x = 187,314,712,374.72
  5. Step 5: Solve for x
    x = 187,314,712,374.72/366,914.35
  6. Step 6: Final answer
    x = 510,513.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.