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Finding the Fourth Proportional to 372,479.91, 514,006.34 and 202,713.63

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Solution

The fourth proportional to 372,479.91, 514,006.34 and 202,713.63 is: 279,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,479.91 : 514,006.34 = 202,713.63 : x
  2. Step 2: Convert to fraction form
    372,479.91/514,006.34 = 202,713.63/x
  3. Step 3: Cross multiply
    372,479.91x = 514,006.34 × 202,713.63
  4. Step 4: Simplify right side
    372,479.91x = 104,196,090,010.85
  5. Step 5: Solve for x
    x = 104,196,090,010.85/372,479.91
  6. Step 6: Final answer
    x = 279,736.13

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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.