Home / 535,911.28-803,255.36-215,858.18

Finding the Fourth Proportional to 535,911.28, 803,255.36 and 215,858.18

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Solution

The fourth proportional to 535,911.28, 803,255.36 and 215,858.18 is: 323,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,911.28 : 803,255.36 = 215,858.18 : x
  2. Step 2: Convert to fraction form
    535,911.28/803,255.36 = 215,858.18/x
  3. Step 3: Cross multiply
    535,911.28x = 803,255.36 × 215,858.18
  4. Step 4: Simplify right side
    535,911.28x = 173,389,240,084.85
  5. Step 5: Solve for x
    x = 173,389,240,084.85/535,911.28
  6. Step 6: Final answer
    x = 323,540.94

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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.