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Finding the Fourth Proportional to 363,207, 544,726.26 and 138,487.08

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Solution

The fourth proportional to 363,207, 544,726.26 and 138,487.08 is: 207,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,207 : 544,726.26 = 138,487.08 : x
  2. Step 2: Convert to fraction form
    363,207/544,726.26 = 138,487.08/x
  3. Step 3: Cross multiply
    363,207x = 544,726.26 × 138,487.08
  4. Step 4: Simplify right side
    363,207x = 75,437,549,146.72
  5. Step 5: Solve for x
    x = 75,437,549,146.72/363,207
  6. Step 6: Final answer
    x = 207,698.50

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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.