Home / 451,853.28-677,307-152,230.32

Finding the Fourth Proportional to 451,853.28, 677,307 and 152,230.32

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Solution

The fourth proportional to 451,853.28, 677,307 and 152,230.32 is: 228,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,853.28 : 677,307 = 152,230.32 : x
  2. Step 2: Convert to fraction form
    451,853.28/677,307 = 152,230.32/x
  3. Step 3: Cross multiply
    451,853.28x = 677,307 × 152,230.32
  4. Step 4: Simplify right side
    451,853.28x = 103,106,661,348.24
  5. Step 5: Solve for x
    x = 103,106,661,348.24/451,853.28
  6. Step 6: Final answer
    x = 228,186.15

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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.