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Finding the Fourth Proportional to 535,433.81, 803,153.44 and 180,450.90

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Solution

The fourth proportional to 535,433.81, 803,153.44 and 180,450.90 is: 270,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,433.81 : 803,153.44 = 180,450.90 : x
  2. Step 2: Convert to fraction form
    535,433.81/803,153.44 = 180,450.90/x
  3. Step 3: Cross multiply
    535,433.81x = 803,153.44 × 180,450.90
  4. Step 4: Simplify right side
    535,433.81x = 144,929,761,311.66
  5. Step 5: Solve for x
    x = 144,929,761,311.66/535,433.81
  6. Step 6: Final answer
    x = 270,677.27

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1.5x scale

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.