Home / 379,862.73-569,583.74-155,380.80

Finding the Fourth Proportional to 379,862.73, 569,583.74 and 155,380.80

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Solution

The fourth proportional to 379,862.73, 569,583.74 and 155,380.80 is: 232,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,862.73 : 569,583.74 = 155,380.80 : x
  2. Step 2: Convert to fraction form
    379,862.73/569,583.74 = 155,380.80/x
  3. Step 3: Cross multiply
    379,862.73x = 569,583.74 × 155,380.80
  4. Step 4: Simplify right side
    379,862.73x = 88,502,376,411.29
  5. Step 5: Solve for x
    x = 88,502,376,411.29/379,862.73
  6. Step 6: Final answer
    x = 232,985.15

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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.