Home / 557,555.18-836,384.61-158,205.74

Finding the Fourth Proportional to 557,555.18, 836,384.61 and 158,205.74

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Solution

The fourth proportional to 557,555.18, 836,384.61 and 158,205.74 is: 237,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,555.18 : 836,384.61 = 158,205.74 : x
  2. Step 2: Convert to fraction form
    557,555.18/836,384.61 = 158,205.74/x
  3. Step 3: Cross multiply
    557,555.18x = 836,384.61 × 158,205.74
  4. Step 4: Simplify right side
    557,555.18x = 132,320,846,149.66
  5. Step 5: Solve for x
    x = 132,320,846,149.66/557,555.18
  6. Step 6: Final answer
    x = 237,323.32

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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.