Home / 371,949.60-513,284.40-202,188

Finding the Fourth Proportional to 371,949.60, 513,284.40 and 202,188

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Solution

The fourth proportional to 371,949.60, 513,284.40 and 202,188 is: 279,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,949.60 : 513,284.40 = 202,188 : x
  2. Step 2: Convert to fraction form
    371,949.60/513,284.40 = 202,188/x
  3. Step 3: Cross multiply
    371,949.60x = 513,284.40 × 202,188
  4. Step 4: Simplify right side
    371,949.60x = 103,779,946,267.20
  5. Step 5: Solve for x
    x = 103,779,946,267.20/371,949.60
  6. Step 6: Final answer
    x = 279,016.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.