Home / 384,496.10-576,861.02-272,393.22

Finding the Fourth Proportional to 384,496.10, 576,861.02 and 272,393.22

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Solution

The fourth proportional to 384,496.10, 576,861.02 and 272,393.22 is: 408,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,496.10 : 576,861.02 = 272,393.22 : x
  2. Step 2: Convert to fraction form
    384,496.10/576,861.02 = 272,393.22/x
  3. Step 3: Cross multiply
    384,496.10x = 576,861.02 × 272,393.22
  4. Step 4: Simplify right side
    384,496.10x = 157,133,030,730.28
  5. Step 5: Solve for x
    x = 157,133,030,730.28/384,496.10
  6. Step 6: Final answer
    x = 408,672.63

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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.