Home / 760,142.40-1,140,250.32-199,177.44

Finding the Fourth Proportional to 760,142.40, 1,140,250.32 and 199,177.44

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Solution

The fourth proportional to 760,142.40, 1,140,250.32 and 199,177.44 is: 298,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,142.40 : 1,140,250.32 = 199,177.44 : x
  2. Step 2: Convert to fraction form
    760,142.40/1,140,250.32 = 199,177.44/x
  3. Step 3: Cross multiply
    760,142.40x = 1,140,250.32 × 199,177.44
  4. Step 4: Simplify right side
    760,142.40x = 227,112,139,696.78
  5. Step 5: Solve for x
    x = 227,112,139,696.78/760,142.40
  6. Step 6: Final answer
    x = 298,775.78

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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.