Home / 499,314.36-748,977.01-144,331.45

Finding the Fourth Proportional to 499,314.36, 748,977.01 and 144,331.45

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Solution

The fourth proportional to 499,314.36, 748,977.01 and 144,331.45 is: 216,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.36 : 748,977.01 = 144,331.45 : x
  2. Step 2: Convert to fraction form
    499,314.36/748,977.01 = 144,331.45/x
  3. Step 3: Cross multiply
    499,314.36x = 748,977.01 × 144,331.45
  4. Step 4: Simplify right side
    499,314.36x = 108,100,939,849.69
  5. Step 5: Solve for x
    x = 108,100,939,849.69/499,314.36
  6. Step 6: Final answer
    x = 216,498.76

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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.