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Finding the Fourth Proportional to 340,150.85, 510,300.08 and 103,487.38

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Solution

The fourth proportional to 340,150.85, 510,300.08 and 103,487.38 is: 155,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,150.85 : 510,300.08 = 103,487.38 : x
  2. Step 2: Convert to fraction form
    340,150.85/510,300.08 = 103,487.38/x
  3. Step 3: Cross multiply
    340,150.85x = 510,300.08 × 103,487.38
  4. Step 4: Simplify right side
    340,150.85x = 52,809,615,224.05
  5. Step 5: Solve for x
    x = 52,809,615,224.05/340,150.85
  6. Step 6: Final answer
    x = 155,253.52

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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.