Home / 672,029.81-1,007,885.48-192,242.82

Finding the Fourth Proportional to 672,029.81, 1,007,885.48 and 192,242.82

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Solution

The fourth proportional to 672,029.81, 1,007,885.48 and 192,242.82 is: 288,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,029.81 : 1,007,885.48 = 192,242.82 : x
  2. Step 2: Convert to fraction form
    672,029.81/1,007,885.48 = 192,242.82/x
  3. Step 3: Cross multiply
    672,029.81x = 1,007,885.48 × 192,242.82
  4. Step 4: Simplify right side
    672,029.81x = 193,758,745,951.04
  5. Step 5: Solve for x
    x = 193,758,745,951.04/672,029.81
  6. Step 6: Final answer
    x = 288,318.68

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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.