Home / 449,218.80-673,828.20-239,266.80

Finding the Fourth Proportional to 449,218.80, 673,828.20 and 239,266.80

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Solution

The fourth proportional to 449,218.80, 673,828.20 and 239,266.80 is: 358,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,218.80 : 673,828.20 = 239,266.80 : x
  2. Step 2: Convert to fraction form
    449,218.80/673,828.20 = 239,266.80/x
  3. Step 3: Cross multiply
    449,218.80x = 673,828.20 × 239,266.80
  4. Step 4: Simplify right side
    449,218.80x = 161,224,717,163.76
  5. Step 5: Solve for x
    x = 161,224,717,163.76/449,218.80
  6. Step 6: Final answer
    x = 358,900.20

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1.5x scale

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.