Home / 451,622.64-677,435.13-152,313.47

Finding the Fourth Proportional to 451,622.64, 677,435.13 and 152,313.47

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Solution

The fourth proportional to 451,622.64, 677,435.13 and 152,313.47 is: 228,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,622.64 : 677,435.13 = 152,313.47 : x
  2. Step 2: Convert to fraction form
    451,622.64/677,435.13 = 152,313.47/x
  3. Step 3: Cross multiply
    451,622.64x = 677,435.13 × 152,313.47
  4. Step 4: Simplify right side
    451,622.64x = 103,182,491,963.03
  5. Step 5: Solve for x
    x = 103,182,491,963.03/451,622.64
  6. Step 6: Final answer
    x = 228,470.59

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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.