Home / 352,655.02-486,812.89-238,088.83

Finding the Fourth Proportional to 352,655.02, 486,812.89 and 238,088.83

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Solution

The fourth proportional to 352,655.02, 486,812.89 and 238,088.83 is: 328,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,655.02 : 486,812.89 = 238,088.83 : x
  2. Step 2: Convert to fraction form
    352,655.02/486,812.89 = 238,088.83/x
  3. Step 3: Cross multiply
    352,655.02x = 486,812.89 × 238,088.83
  4. Step 4: Simplify right side
    352,655.02x = 115,904,711,409.02
  5. Step 5: Solve for x
    x = 115,904,711,409.02/352,655.02
  6. Step 6: Final answer
    x = 328,663.15

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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.