Home / 312,862.50-469,382.04-88,225.07

Finding the Fourth Proportional to 312,862.50, 469,382.04 and 88,225.07

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Solution

The fourth proportional to 312,862.50, 469,382.04 and 88,225.07 is: 132,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,862.50 : 469,382.04 = 88,225.07 : x
  2. Step 2: Convert to fraction form
    312,862.50/469,382.04 = 88,225.07/x
  3. Step 3: Cross multiply
    312,862.50x = 469,382.04 × 88,225.07
  4. Step 4: Simplify right side
    312,862.50x = 41,411,260,988.83
  5. Step 5: Solve for x
    x = 41,411,260,988.83/312,862.50
  6. Step 6: Final answer
    x = 132,362.49

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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.