Home / 369,982.22-554,748.60-145,073.20

Finding the Fourth Proportional to 369,982.22, 554,748.60 and 145,073.20

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Solution

The fourth proportional to 369,982.22, 554,748.60 and 145,073.20 is: 217,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,982.22 : 554,748.60 = 145,073.20 : x
  2. Step 2: Convert to fraction form
    369,982.22/554,748.60 = 145,073.20/x
  3. Step 3: Cross multiply
    369,982.22x = 554,748.60 × 145,073.20
  4. Step 4: Simplify right side
    369,982.22x = 80,479,154,597.52
  5. Step 5: Solve for x
    x = 80,479,154,597.52/369,982.22
  6. Step 6: Final answer
    x = 217,521.68

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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.