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Finding the Fourth Proportional to 467,272.69, 700,908.95 and 112,286.71

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Solution

The fourth proportional to 467,272.69, 700,908.95 and 112,286.71 is: 168,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,272.69 : 700,908.95 = 112,286.71 : x
  2. Step 2: Convert to fraction form
    467,272.69/700,908.95 = 112,286.71/x
  3. Step 3: Cross multiply
    467,272.69x = 700,908.95 × 112,286.71
  4. Step 4: Simplify right side
    467,272.69x = 78,702,756,500.51
  5. Step 5: Solve for x
    x = 78,702,756,500.51/467,272.69
  6. Step 6: Final answer
    x = 168,430.04

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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.