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Finding the Fourth Proportional to 143,065.32, 214,597.98 and 44,577

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Solution

The fourth proportional to 143,065.32, 214,597.98 and 44,577 is: 66,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,065.32 : 214,597.98 = 44,577 : x
  2. Step 2: Convert to fraction form
    143,065.32/214,597.98 = 44,577/x
  3. Step 3: Cross multiply
    143,065.32x = 214,597.98 × 44,577
  4. Step 4: Simplify right side
    143,065.32x = 9,566,134,154.46
  5. Step 5: Solve for x
    x = 9,566,134,154.46/143,065.32
  6. Step 6: Final answer
    x = 66,865.50

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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.