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Finding the Fourth Proportional to 556,145.10, 834,412.05 and 240,828.30

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Solution

The fourth proportional to 556,145.10, 834,412.05 and 240,828.30 is: 361,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,145.10 : 834,412.05 = 240,828.30 : x
  2. Step 2: Convert to fraction form
    556,145.10/834,412.05 = 240,828.30/x
  3. Step 3: Cross multiply
    556,145.10x = 834,412.05 × 240,828.30
  4. Step 4: Simplify right side
    556,145.10x = 200,950,035,501.02
  5. Step 5: Solve for x
    x = 200,950,035,501.02/556,145.10
  6. Step 6: Final answer
    x = 361,326.63

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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.