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Finding the Fourth Proportional to 388,752.61, 580,998.98 and 283,792.61

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Solution

The fourth proportional to 388,752.61, 580,998.98 and 283,792.61 is: 424,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,752.61 : 580,998.98 = 283,792.61 : x
  2. Step 2: Convert to fraction form
    388,752.61/580,998.98 = 283,792.61/x
  3. Step 3: Cross multiply
    388,752.61x = 580,998.98 × 283,792.61
  4. Step 4: Simplify right side
    388,752.61x = 164,883,217,651.02
  5. Step 5: Solve for x
    x = 164,883,217,651.02/388,752.61
  6. Step 6: Final answer
    x = 424,134.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.