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Finding the Fourth Proportional to 250,668.39, 345,966.59 and 148,750.04

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Solution

The fourth proportional to 250,668.39, 345,966.59 and 148,750.04 is: 205,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,668.39 : 345,966.59 = 148,750.04 : x
  2. Step 2: Convert to fraction form
    250,668.39/345,966.59 = 148,750.04/x
  3. Step 3: Cross multiply
    250,668.39x = 345,966.59 × 148,750.04
  4. Step 4: Simplify right side
    250,668.39x = 51,462,545,645.99
  5. Step 5: Solve for x
    x = 51,462,545,645.99/250,668.39
  6. Step 6: Final answer
    x = 205,301.30

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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.