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Finding the Fourth Proportional to 215,654.77, 297,604.77 and 125,064.45

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Solution

The fourth proportional to 215,654.77, 297,604.77 and 125,064.45 is: 172,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.77 : 297,604.77 = 125,064.45 : x
  2. Step 2: Convert to fraction form
    215,654.77/297,604.77 = 125,064.45/x
  3. Step 3: Cross multiply
    215,654.77x = 297,604.77 × 125,064.45
  4. Step 4: Simplify right side
    215,654.77x = 37,219,776,877.43
  5. Step 5: Solve for x
    x = 37,219,776,877.43/215,654.77
  6. Step 6: Final answer
    x = 172,589.63

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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.