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Finding the Fourth Proportional to 453,331, 679,992.45 and 169,011.89

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Solution

The fourth proportional to 453,331, 679,992.45 and 169,011.89 is: 253,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,331 : 679,992.45 = 169,011.89 : x
  2. Step 2: Convert to fraction form
    453,331/679,992.45 = 169,011.89/x
  3. Step 3: Cross multiply
    453,331x = 679,992.45 × 169,011.89
  4. Step 4: Simplify right side
    453,331x = 114,926,809,160.23
  5. Step 5: Solve for x
    x = 114,926,809,160.23/453,331
  6. Step 6: Final answer
    x = 253,516.33

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1.5x scale

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.