Home / 449,485.20-674,312.04-149,937.48

Finding the Fourth Proportional to 449,485.20, 674,312.04 and 149,937.48

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Solution

The fourth proportional to 449,485.20, 674,312.04 and 149,937.48 is: 224,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,485.20 : 674,312.04 = 149,937.48 : x
  2. Step 2: Convert to fraction form
    449,485.20/674,312.04 = 149,937.48/x
  3. Step 3: Cross multiply
    449,485.20x = 674,312.04 × 149,937.48
  4. Step 4: Simplify right side
    449,485.20x = 101,104,648,011.26
  5. Step 5: Solve for x
    x = 101,104,648,011.26/449,485.20
  6. Step 6: Final answer
    x = 224,934.32

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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.