Home / 876,140.20-1,314,113.10-245,117.80

Finding the Fourth Proportional to 876,140.20, 1,314,113.10 and 245,117.80

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Solution

The fourth proportional to 876,140.20, 1,314,113.10 and 245,117.80 is: 367,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,140.20 : 1,314,113.10 = 245,117.80 : x
  2. Step 2: Convert to fraction form
    876,140.20/1,314,113.10 = 245,117.80/x
  3. Step 3: Cross multiply
    876,140.20x = 1,314,113.10 × 245,117.80
  4. Step 4: Simplify right side
    876,140.20x = 322,112,512,023.18
  5. Step 5: Solve for x
    x = 322,112,512,023.18/876,140.20
  6. Step 6: Final answer
    x = 367,649.51

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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.