Home / 356,508.06-534,829.52-143,292.57

Finding the Fourth Proportional to 356,508.06, 534,829.52 and 143,292.57

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Solution

The fourth proportional to 356,508.06, 534,829.52 and 143,292.57 is: 214,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,508.06 : 534,829.52 = 143,292.57 : x
  2. Step 2: Convert to fraction form
    356,508.06/534,829.52 = 143,292.57/x
  3. Step 3: Cross multiply
    356,508.06x = 534,829.52 × 143,292.57
  4. Step 4: Simplify right side
    356,508.06x = 76,637,096,432.67
  5. Step 5: Solve for x
    x = 76,637,096,432.67/356,508.06
  6. Step 6: Final answer
    x = 214,965.96

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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.