Home / 578,350.17-867,565.80-178,938.36

Finding the Fourth Proportional to 578,350.17, 867,565.80 and 178,938.36

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Solution

The fourth proportional to 578,350.17, 867,565.80 and 178,938.36 is: 268,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,350.17 : 867,565.80 = 178,938.36 : x
  2. Step 2: Convert to fraction form
    578,350.17/867,565.80 = 178,938.36/x
  3. Step 3: Cross multiply
    578,350.17x = 867,565.80 × 178,938.36
  4. Step 4: Simplify right side
    578,350.17x = 155,240,801,444.09
  5. Step 5: Solve for x
    x = 155,240,801,444.09/578,350.17
  6. Step 6: Final answer
    x = 268,420.08

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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.