Home / 535,618.26-803,432.10-136,259.45

Finding the Fourth Proportional to 535,618.26, 803,432.10 and 136,259.45

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Solution

The fourth proportional to 535,618.26, 803,432.10 and 136,259.45 is: 204,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,618.26 : 803,432.10 = 136,259.45 : x
  2. Step 2: Convert to fraction form
    535,618.26/803,432.10 = 136,259.45/x
  3. Step 3: Cross multiply
    535,618.26x = 803,432.10 × 136,259.45
  4. Step 4: Simplify right side
    535,618.26x = 109,475,216,058.35
  5. Step 5: Solve for x
    x = 109,475,216,058.35/535,618.26
  6. Step 6: Final answer
    x = 204,390.37

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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.