Home / 285,983.17-394,704.03-158,699.77

Finding the Fourth Proportional to 285,983.17, 394,704.03 and 158,699.77

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Solution

The fourth proportional to 285,983.17, 394,704.03 and 158,699.77 is: 219,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,983.17 : 394,704.03 = 158,699.77 : x
  2. Step 2: Convert to fraction form
    285,983.17/394,704.03 = 158,699.77/x
  3. Step 3: Cross multiply
    285,983.17x = 394,704.03 × 158,699.77
  4. Step 4: Simplify right side
    285,983.17x = 62,639,438,779.07
  5. Step 5: Solve for x
    x = 62,639,438,779.07/285,983.17
  6. Step 6: Final answer
    x = 219,031.91

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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.