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Finding the Fourth Proportional to 144,695.84, 217,058.80 and 39,514.82

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Solution

The fourth proportional to 144,695.84, 217,058.80 and 39,514.82 is: 59,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,695.84 : 217,058.80 = 39,514.82 : x
  2. Step 2: Convert to fraction form
    144,695.84/217,058.80 = 39,514.82/x
  3. Step 3: Cross multiply
    144,695.84x = 217,058.80 × 39,514.82
  4. Step 4: Simplify right side
    144,695.84x = 8,577,039,411.42
  5. Step 5: Solve for x
    x = 8,577,039,411.42/144,695.84
  6. Step 6: Final answer
    x = 59,276.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.