Home / 450,630.41-676,178.55-198,088.20

Finding the Fourth Proportional to 450,630.41, 676,178.55 and 198,088.20

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Solution

The fourth proportional to 450,630.41, 676,178.55 and 198,088.20 is: 297,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,630.41 : 676,178.55 = 198,088.20 : x
  2. Step 2: Convert to fraction form
    450,630.41/676,178.55 = 198,088.20/x
  3. Step 3: Cross multiply
    450,630.41x = 676,178.55 × 198,088.20
  4. Step 4: Simplify right side
    450,630.41x = 133,942,991,848.11
  5. Step 5: Solve for x
    x = 133,942,991,848.11/450,630.41
  6. Step 6: Final answer
    x = 297,234.70

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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.