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Finding the Fourth Proportional to 576,359.25, 864,543.74 and 202,382.25

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Solution

The fourth proportional to 576,359.25, 864,543.74 and 202,382.25 is: 303,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,359.25 : 864,543.74 = 202,382.25 : x
  2. Step 2: Convert to fraction form
    576,359.25/864,543.74 = 202,382.25/x
  3. Step 3: Cross multiply
    576,359.25x = 864,543.74 × 202,382.25
  4. Step 4: Simplify right side
    576,359.25x = 174,968,306,312.70
  5. Step 5: Solve for x
    x = 174,968,306,312.70/576,359.25
  6. Step 6: Final answer
    x = 303,575.08

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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.