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Finding the Fourth Proportional to 349,373.39, 482,284.94 and 240,630.28

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Solution

The fourth proportional to 349,373.39, 482,284.94 and 240,630.28 is: 332,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,373.39 : 482,284.94 = 240,630.28 : x
  2. Step 2: Convert to fraction form
    349,373.39/482,284.94 = 240,630.28/x
  3. Step 3: Cross multiply
    349,373.39x = 482,284.94 × 240,630.28
  4. Step 4: Simplify right side
    349,373.39x = 116,052,357,743.12
  5. Step 5: Solve for x
    x = 116,052,357,743.12/349,373.39
  6. Step 6: Final answer
    x = 332,172.86

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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.