Home / 838,136.04-1,257,399.34-239,105.48

Finding the Fourth Proportional to 838,136.04, 1,257,399.34 and 239,105.48

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Solution

The fourth proportional to 838,136.04, 1,257,399.34 and 239,105.48 is: 358,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,136.04 : 1,257,399.34 = 239,105.48 : x
  2. Step 2: Convert to fraction form
    838,136.04/1,257,399.34 = 239,105.48/x
  3. Step 3: Cross multiply
    838,136.04x = 1,257,399.34 × 239,105.48
  4. Step 4: Simplify right side
    838,136.04x = 300,651,072,742.38
  5. Step 5: Solve for x
    x = 300,651,072,742.38/838,136.04
  6. Step 6: Final answer
    x = 358,713.93

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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.