Home / 347,631.76-521,451.80-110,973.20

Finding the Fourth Proportional to 347,631.76, 521,451.80 and 110,973.20

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Solution

The fourth proportional to 347,631.76, 521,451.80 and 110,973.20 is: 166,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631.76 : 521,451.80 = 110,973.20 : x
  2. Step 2: Convert to fraction form
    347,631.76/521,451.80 = 110,973.20/x
  3. Step 3: Cross multiply
    347,631.76x = 521,451.80 × 110,973.20
  4. Step 4: Simplify right side
    347,631.76x = 57,867,174,891.76
  5. Step 5: Solve for x
    x = 57,867,174,891.76/347,631.76
  6. Step 6: Final answer
    x = 166,461.13

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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.