Home / 665,246.30-997,675.05-238,732.70

Finding the Fourth Proportional to 665,246.30, 997,675.05 and 238,732.70

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Solution

The fourth proportional to 665,246.30, 997,675.05 and 238,732.70 is: 358,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,246.30 : 997,675.05 = 238,732.70 : x
  2. Step 2: Convert to fraction form
    665,246.30/997,675.05 = 238,732.70/x
  3. Step 3: Cross multiply
    665,246.30x = 997,675.05 × 238,732.70
  4. Step 4: Simplify right side
    665,246.30x = 238,177,658,409.14
  5. Step 5: Solve for x
    x = 238,177,658,409.14/665,246.30
  6. Step 6: Final answer
    x = 358,029.29

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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.