Home / 347,581.34-521,455.24-145,064.84

Finding the Fourth Proportional to 347,581.34, 521,455.24 and 145,064.84

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Solution

The fourth proportional to 347,581.34, 521,455.24 and 145,064.84 is: 217,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,581.34 : 521,455.24 = 145,064.84 : x
  2. Step 2: Convert to fraction form
    347,581.34/521,455.24 = 145,064.84/x
  3. Step 3: Cross multiply
    347,581.34x = 521,455.24 × 145,064.84
  4. Step 4: Simplify right side
    347,581.34x = 75,644,818,531.82
  5. Step 5: Solve for x
    x = 75,644,818,531.82/347,581.34
  6. Step 6: Final answer
    x = 217,631.99

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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.