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Finding the Fourth Proportional to 315,713.34, 472,813.47 and 230,094.72

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Solution

The fourth proportional to 315,713.34, 472,813.47 and 230,094.72 is: 344,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,713.34 : 472,813.47 = 230,094.72 : x
  2. Step 2: Convert to fraction form
    315,713.34/472,813.47 = 230,094.72/x
  3. Step 3: Cross multiply
    315,713.34x = 472,813.47 × 230,094.72
  4. Step 4: Simplify right side
    315,713.34x = 108,791,882,991.88
  5. Step 5: Solve for x
    x = 108,791,882,991.88/315,713.34
  6. Step 6: Final answer
    x = 344,590.71

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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.