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Finding the Fourth Proportional to 351,262.52, 484,754.03 and 215,270.20

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Solution

The fourth proportional to 351,262.52, 484,754.03 and 215,270.20 is: 297,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,262.52 : 484,754.03 = 215,270.20 : x
  2. Step 2: Convert to fraction form
    351,262.52/484,754.03 = 215,270.20/x
  3. Step 3: Cross multiply
    351,262.52x = 484,754.03 × 215,270.20
  4. Step 4: Simplify right side
    351,262.52x = 104,353,096,988.91
  5. Step 5: Solve for x
    x = 104,353,096,988.91/351,262.52
  6. Step 6: Final answer
    x = 297,080.08

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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.