Home / 372,666.30-514,238.67-209,321.70

Finding the Fourth Proportional to 372,666.30, 514,238.67 and 209,321.70

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Solution

The fourth proportional to 372,666.30, 514,238.67 and 209,321.70 is: 288,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,666.30 : 514,238.67 = 209,321.70 : x
  2. Step 2: Convert to fraction form
    372,666.30/514,238.67 = 209,321.70/x
  3. Step 3: Cross multiply
    372,666.30x = 514,238.67 × 209,321.70
  4. Step 4: Simplify right side
    372,666.30x = 107,641,312,610.14
  5. Step 5: Solve for x
    x = 107,641,312,610.14/372,666.30
  6. Step 6: Final answer
    x = 288,841.02

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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.