Home / 671,438.24-1,007,185.16-198,123.59

Finding the Fourth Proportional to 671,438.24, 1,007,185.16 and 198,123.59

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Solution

The fourth proportional to 671,438.24, 1,007,185.16 and 198,123.59 is: 297,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,438.24 : 1,007,185.16 = 198,123.59 : x
  2. Step 2: Convert to fraction form
    671,438.24/1,007,185.16 = 198,123.59/x
  3. Step 3: Cross multiply
    671,438.24x = 1,007,185.16 × 198,123.59
  4. Step 4: Simplify right side
    671,438.24x = 199,547,139,693.92
  5. Step 5: Solve for x
    x = 199,547,139,693.92/671,438.24
  6. Step 6: Final answer
    x = 297,193.59

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Double scale
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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.