Home / 545,631.02-818,446.60-166,553.86

Finding the Fourth Proportional to 545,631.02, 818,446.60 and 166,553.86

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Solution

The fourth proportional to 545,631.02, 818,446.60 and 166,553.86 is: 249,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,631.02 : 818,446.60 = 166,553.86 : x
  2. Step 2: Convert to fraction form
    545,631.02/818,446.60 = 166,553.86/x
  3. Step 3: Cross multiply
    545,631.02x = 818,446.60 × 166,553.86
  4. Step 4: Simplify right side
    545,631.02x = 136,315,440,433.88
  5. Step 5: Solve for x
    x = 136,315,440,433.88/545,631.02
  6. Step 6: Final answer
    x = 249,830.81

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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.