Home / 753,168.36-1,129,761.72-220,700.16

Finding the Fourth Proportional to 753,168.36, 1,129,761.72 and 220,700.16

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Solution

The fourth proportional to 753,168.36, 1,129,761.72 and 220,700.16 is: 331,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,168.36 : 1,129,761.72 = 220,700.16 : x
  2. Step 2: Convert to fraction form
    753,168.36/1,129,761.72 = 220,700.16/x
  3. Step 3: Cross multiply
    753,168.36x = 1,129,761.72 × 220,700.16
  4. Step 4: Simplify right side
    753,168.36x = 249,338,592,365.88
  5. Step 5: Solve for x
    x = 249,338,592,365.88/753,168.36
  6. Step 6: Final answer
    x = 331,052.93

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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.