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Finding the Fourth Proportional to 235,448.48, 353,134.85 and 64,630.34

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Solution

The fourth proportional to 235,448.48, 353,134.85 and 64,630.34 is: 96,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,448.48 : 353,134.85 = 64,630.34 : x
  2. Step 2: Convert to fraction form
    235,448.48/353,134.85 = 64,630.34/x
  3. Step 3: Cross multiply
    235,448.48x = 353,134.85 × 64,630.34
  4. Step 4: Simplify right side
    235,448.48x = 22,823,223,332.52
  5. Step 5: Solve for x
    x = 22,823,223,332.52/235,448.48
  6. Step 6: Final answer
    x = 96,935.11

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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.