Home / 449,816.90-674,392.03-272,281.91

Finding the Fourth Proportional to 449,816.90, 674,392.03 and 272,281.91

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Solution

The fourth proportional to 449,816.90, 674,392.03 and 272,281.91 is: 408,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,816.90 : 674,392.03 = 272,281.91 : x
  2. Step 2: Convert to fraction form
    449,816.90/674,392.03 = 272,281.91/x
  3. Step 3: Cross multiply
    449,816.90x = 674,392.03 × 272,281.91
  4. Step 4: Simplify right side
    449,816.90x = 183,624,745,964.51
  5. Step 5: Solve for x
    x = 183,624,745,964.51/449,816.90
  6. Step 6: Final answer
    x = 408,221.10

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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.