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Finding the Fourth Proportional to 323,007.71, 484,613.36 and 152,222.51

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Solution

The fourth proportional to 323,007.71, 484,613.36 and 152,222.51 is: 228,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,007.71 : 484,613.36 = 152,222.51 : x
  2. Step 2: Convert to fraction form
    323,007.71/484,613.36 = 152,222.51/x
  3. Step 3: Cross multiply
    323,007.71x = 484,613.36 × 152,222.51
  4. Step 4: Simplify right side
    323,007.71x = 73,769,058,854.55
  5. Step 5: Solve for x
    x = 73,769,058,854.55/323,007.71
  6. Step 6: Final answer
    x = 228,381.73

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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.