Home / 320,872.32-481,262.40-99,227.52

Finding the Fourth Proportional to 320,872.32, 481,262.40 and 99,227.52

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Solution

The fourth proportional to 320,872.32, 481,262.40 and 99,227.52 is: 148,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,872.32 : 481,262.40 = 99,227.52 : x
  2. Step 2: Convert to fraction form
    320,872.32/481,262.40 = 99,227.52/x
  3. Step 3: Cross multiply
    320,872.32x = 481,262.40 × 99,227.52
  4. Step 4: Simplify right side
    320,872.32x = 47,754,474,421.25
  5. Step 5: Solve for x
    x = 47,754,474,421.25/320,872.32
  6. Step 6: Final answer
    x = 148,827.03

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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.