Home / 557,946.12-836,998.03-178,778.20

Finding the Fourth Proportional to 557,946.12, 836,998.03 and 178,778.20

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Solution

The fourth proportional to 557,946.12, 836,998.03 and 178,778.20 is: 268,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,946.12 : 836,998.03 = 178,778.20 : x
  2. Step 2: Convert to fraction form
    557,946.12/836,998.03 = 178,778.20/x
  3. Step 3: Cross multiply
    557,946.12x = 836,998.03 × 178,778.20
  4. Step 4: Simplify right side
    557,946.12x = 149,637,001,206.95
  5. Step 5: Solve for x
    x = 149,637,001,206.95/557,946.12
  6. Step 6: Final answer
    x = 268,192.57

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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.