Home / 373,215.50-515,221.26-258,581.06

Finding the Fourth Proportional to 373,215.50, 515,221.26 and 258,581.06

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Solution

The fourth proportional to 373,215.50, 515,221.26 and 258,581.06 is: 356,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,215.50 : 515,221.26 = 258,581.06 : x
  2. Step 2: Convert to fraction form
    373,215.50/515,221.26 = 258,581.06/x
  3. Step 3: Cross multiply
    373,215.50x = 515,221.26 × 258,581.06
  4. Step 4: Simplify right side
    373,215.50x = 133,226,459,545.34
  5. Step 5: Solve for x
    x = 133,226,459,545.34/373,215.50
  6. Step 6: Final answer
    x = 356,969.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.