Home / 369,985.22-554,753.10-145,076.20

Finding the Fourth Proportional to 369,985.22, 554,753.10 and 145,076.20

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Solution

The fourth proportional to 369,985.22, 554,753.10 and 145,076.20 is: 217,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.22 : 554,753.10 = 145,076.20 : x
  2. Step 2: Convert to fraction form
    369,985.22/554,753.10 = 145,076.20/x
  3. Step 3: Cross multiply
    369,985.22x = 554,753.10 × 145,076.20
  4. Step 4: Simplify right side
    369,985.22x = 80,481,471,686.22
  5. Step 5: Solve for x
    x = 80,481,471,686.22/369,985.22
  6. Step 6: Final answer
    x = 217,526.18

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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.