Home / 369,983.22-554,750.10-145,074.20

Finding the Fourth Proportional to 369,983.22, 554,750.10 and 145,074.20

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Solution

The fourth proportional to 369,983.22, 554,750.10 and 145,074.20 is: 217,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,983.22 : 554,750.10 = 145,074.20 : x
  2. Step 2: Convert to fraction form
    369,983.22/554,750.10 = 145,074.20/x
  3. Step 3: Cross multiply
    369,983.22x = 554,750.10 × 145,074.20
  4. Step 4: Simplify right side
    369,983.22x = 80,479,926,957.42
  5. Step 5: Solve for x
    x = 80,479,926,957.42/369,983.22
  6. Step 6: Final answer
    x = 217,523.18

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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.