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Finding the Fourth Proportional to 303,000.66, 454,500.63 and 81,384.66

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Solution

The fourth proportional to 303,000.66, 454,500.63 and 81,384.66 is: 122,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,000.66 : 454,500.63 = 81,384.66 : x
  2. Step 2: Convert to fraction form
    303,000.66/454,500.63 = 81,384.66/x
  3. Step 3: Cross multiply
    303,000.66x = 454,500.63 × 81,384.66
  4. Step 4: Simplify right side
    303,000.66x = 36,989,379,242.34
  5. Step 5: Solve for x
    x = 36,989,379,242.34/303,000.66
  6. Step 6: Final answer
    x = 122,076.89

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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.