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Finding the Fourth Proportional to 250,358.65, 345,495.11 and 148,434.39

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Solution

The fourth proportional to 250,358.65, 345,495.11 and 148,434.39 is: 204,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,358.65 : 345,495.11 = 148,434.39 : x
  2. Step 2: Convert to fraction form
    250,358.65/345,495.11 = 148,434.39/x
  3. Step 3: Cross multiply
    250,358.65x = 345,495.11 × 148,434.39
  4. Step 4: Simplify right side
    250,358.65x = 51,283,355,158.66
  5. Step 5: Solve for x
    x = 51,283,355,158.66/250,358.65
  6. Step 6: Final answer
    x = 204,839.56

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1.5x scale

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.