Home / 519,310.04-779,004.45-140,225.25

Finding the Fourth Proportional to 519,310.04, 779,004.45 and 140,225.25

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Solution

The fourth proportional to 519,310.04, 779,004.45 and 140,225.25 is: 210,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,310.04 : 779,004.45 = 140,225.25 : x
  2. Step 2: Convert to fraction form
    519,310.04/779,004.45 = 140,225.25/x
  3. Step 3: Cross multiply
    519,310.04x = 779,004.45 × 140,225.25
  4. Step 4: Simplify right side
    519,310.04x = 109,236,093,752.36
  5. Step 5: Solve for x
    x = 109,236,093,752.36/519,310.04
  6. Step 6: Final answer
    x = 210,348.51

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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.