Home / 383,003.64-572,905.08-269,143.20

Finding the Fourth Proportional to 383,003.64, 572,905.08 and 269,143.20

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Solution

The fourth proportional to 383,003.64, 572,905.08 and 269,143.20 is: 402,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,003.64 : 572,905.08 = 269,143.20 : x
  2. Step 2: Convert to fraction form
    383,003.64/572,905.08 = 269,143.20/x
  3. Step 3: Cross multiply
    383,003.64x = 572,905.08 × 269,143.20
  4. Step 4: Simplify right side
    383,003.64x = 154,193,506,527.46
  5. Step 5: Solve for x
    x = 154,193,506,527.46/383,003.64
  6. Step 6: Final answer
    x = 402,590.19

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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.