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Finding the Fourth Proportional to 458,331.13, 632,526.51 and 254,382.06

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Solution

The fourth proportional to 458,331.13, 632,526.51 and 254,382.06 is: 351,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,331.13 : 632,526.51 = 254,382.06 : x
  2. Step 2: Convert to fraction form
    458,331.13/632,526.51 = 254,382.06/x
  3. Step 3: Cross multiply
    458,331.13x = 632,526.51 × 254,382.06
  4. Step 4: Simplify right side
    458,331.13x = 160,903,396,318.69
  5. Step 5: Solve for x
    x = 160,903,396,318.69/458,331.13
  6. Step 6: Final answer
    x = 351,063.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.