Home / 458,946.60-688,230.41-199,301.10

Finding the Fourth Proportional to 458,946.60, 688,230.41 and 199,301.10

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Solution

The fourth proportional to 458,946.60, 688,230.41 and 199,301.10 is: 298,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,946.60 : 688,230.41 = 199,301.10 : x
  2. Step 2: Convert to fraction form
    458,946.60/688,230.41 = 199,301.10/x
  3. Step 3: Cross multiply
    458,946.60x = 688,230.41 × 199,301.10
  4. Step 4: Simplify right side
    458,946.60x = 137,165,076,769.95
  5. Step 5: Solve for x
    x = 137,165,076,769.95/458,946.60
  6. Step 6: Final answer
    x = 298,869.36

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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.