Home / 347,359.72-479,346.10-192,317.91

Finding the Fourth Proportional to 347,359.72, 479,346.10 and 192,317.91

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Solution

The fourth proportional to 347,359.72, 479,346.10 and 192,317.91 is: 265,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,359.72 : 479,346.10 = 192,317.91 : x
  2. Step 2: Convert to fraction form
    347,359.72/479,346.10 = 192,317.91/x
  3. Step 3: Cross multiply
    347,359.72x = 479,346.10 × 192,317.91
  4. Step 4: Simplify right side
    347,359.72x = 92,186,838,379.17
  5. Step 5: Solve for x
    x = 92,186,838,379.17/347,359.72
  6. Step 6: Final answer
    x = 265,393.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.