Home / 446,749.76-669,980.57-147,159.11

Finding the Fourth Proportional to 446,749.76, 669,980.57 and 147,159.11

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Solution

The fourth proportional to 446,749.76, 669,980.57 and 147,159.11 is: 220,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,749.76 : 669,980.57 = 147,159.11 : x
  2. Step 2: Convert to fraction form
    446,749.76/669,980.57 = 147,159.11/x
  3. Step 3: Cross multiply
    446,749.76x = 669,980.57 × 147,159.11
  4. Step 4: Simplify right side
    446,749.76x = 98,593,745,337.65
  5. Step 5: Solve for x
    x = 98,593,745,337.65/446,749.76
  6. Step 6: Final answer
    x = 220,691.21

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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.