Home / 305,834.20-459,096.90-181,245.40

Finding the Fourth Proportional to 305,834.20, 459,096.90 and 181,245.40

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Solution

The fourth proportional to 305,834.20, 459,096.90 and 181,245.40 is: 272,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,834.20 : 459,096.90 = 181,245.40 : x
  2. Step 2: Convert to fraction form
    305,834.20/459,096.90 = 181,245.40/x
  3. Step 3: Cross multiply
    305,834.20x = 459,096.90 × 181,245.40
  4. Step 4: Simplify right side
    305,834.20x = 83,209,201,279.26
  5. Step 5: Solve for x
    x = 83,209,201,279.26/305,834.20
  6. Step 6: Final answer
    x = 272,072.91

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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.