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Finding the Fourth Proportional to 404,571.38, 558,289.52 and 232,368.20

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Solution

The fourth proportional to 404,571.38, 558,289.52 and 232,368.20 is: 320,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,571.38 : 558,289.52 = 232,368.20 : x
  2. Step 2: Convert to fraction form
    404,571.38/558,289.52 = 232,368.20/x
  3. Step 3: Cross multiply
    404,571.38x = 558,289.52 × 232,368.20
  4. Step 4: Simplify right side
    404,571.38x = 129,728,730,841.26
  5. Step 5: Solve for x
    x = 129,728,730,841.26/404,571.38
  6. Step 6: Final answer
    x = 320,657.21

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1.5x scale

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.