Home / 372,529.20-514,134.08-209,212.55

Finding the Fourth Proportional to 372,529.20, 514,134.08 and 209,212.55

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Solution

The fourth proportional to 372,529.20, 514,134.08 and 209,212.55 is: 288,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,529.20 : 514,134.08 = 209,212.55 : x
  2. Step 2: Convert to fraction form
    372,529.20/514,134.08 = 209,212.55/x
  3. Step 3: Cross multiply
    372,529.20x = 514,134.08 × 209,212.55
  4. Step 4: Simplify right side
    372,529.20x = 107,563,301,918.70
  5. Step 5: Solve for x
    x = 107,563,301,918.70/372,529.20
  6. Step 6: Final answer
    x = 288,737.91

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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.