Home / 372,899.36-514,562.76-209,529.92

Finding the Fourth Proportional to 372,899.36, 514,562.76 and 209,529.92

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Solution

The fourth proportional to 372,899.36, 514,562.76 and 209,529.92 is: 289,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,899.36 : 514,562.76 = 209,529.92 : x
  2. Step 2: Convert to fraction form
    372,899.36/514,562.76 = 209,529.92/x
  3. Step 3: Cross multiply
    372,899.36x = 514,562.76 × 209,529.92
  4. Step 4: Simplify right side
    372,899.36x = 107,816,293,937.78
  5. Step 5: Solve for x
    x = 107,816,293,937.78/372,899.36
  6. Step 6: Final answer
    x = 289,129.74

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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.