Home / 450,820.81-676,321.40-147,235.11

Finding the Fourth Proportional to 450,820.81, 676,321.40 and 147,235.11

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Solution

The fourth proportional to 450,820.81, 676,321.40 and 147,235.11 is: 220,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,820.81 : 676,321.40 = 147,235.11 : x
  2. Step 2: Convert to fraction form
    450,820.81/676,321.40 = 147,235.11/x
  3. Step 3: Cross multiply
    450,820.81x = 676,321.40 × 147,235.11
  4. Step 4: Simplify right side
    450,820.81x = 99,578,255,724.35
  5. Step 5: Solve for x
    x = 99,578,255,724.35/450,820.81
  6. Step 6: Final answer
    x = 220,882.12

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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.