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Finding the Fourth Proportional to 215,003.61, 295,718.58 and 172,468.89

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Solution

The fourth proportional to 215,003.61, 295,718.58 and 172,468.89 is: 237,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,003.61 : 295,718.58 = 172,468.89 : x
  2. Step 2: Convert to fraction form
    215,003.61/295,718.58 = 172,468.89/x
  3. Step 3: Cross multiply
    215,003.61x = 295,718.58 × 172,468.89
  4. Step 4: Simplify right side
    215,003.61x = 51,002,255,244.98
  5. Step 5: Solve for x
    x = 51,002,255,244.98/215,003.61
  6. Step 6: Final answer
    x = 237,215.81

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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.