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Finding the Fourth Proportional to 372,614.64, 514,208 and 202,848.72

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Solution

The fourth proportional to 372,614.64, 514,208 and 202,848.72 is: 279,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,614.64 : 514,208 = 202,848.72 : x
  2. Step 2: Convert to fraction form
    372,614.64/514,208 = 202,848.72/x
  3. Step 3: Cross multiply
    372,614.64x = 514,208 × 202,848.72
  4. Step 4: Simplify right side
    372,614.64x = 104,306,434,613.76
  5. Step 5: Solve for x
    x = 104,306,434,613.76/372,614.64
  6. Step 6: Final answer
    x = 279,931.12

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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.