Home / 451,981.20-677,950.20-152,432.40

Finding the Fourth Proportional to 451,981.20, 677,950.20 and 152,432.40

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Solution

The fourth proportional to 451,981.20, 677,950.20 and 152,432.40 is: 228,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,981.20 : 677,950.20 = 152,432.40 : x
  2. Step 2: Convert to fraction form
    451,981.20/677,950.20 = 152,432.40/x
  3. Step 3: Cross multiply
    451,981.20x = 677,950.20 × 152,432.40
  4. Step 4: Simplify right side
    451,981.20x = 103,341,576,066.48
  5. Step 5: Solve for x
    x = 103,341,576,066.48/451,981.20
  6. Step 6: Final answer
    x = 228,641.32

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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.