Home / 347,868.72-521,999.91-148,168.28

Finding the Fourth Proportional to 347,868.72, 521,999.91 and 148,168.28

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Solution

The fourth proportional to 347,868.72, 521,999.91 and 148,168.28 is: 222,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,868.72 : 521,999.91 = 148,168.28 : x
  2. Step 2: Convert to fraction form
    347,868.72/521,999.91 = 148,168.28/x
  3. Step 3: Cross multiply
    347,868.72x = 521,999.91 × 148,168.28
  4. Step 4: Simplify right side
    347,868.72x = 77,343,830,129.85
  5. Step 5: Solve for x
    x = 77,343,830,129.85/347,868.72
  6. Step 6: Final answer
    x = 222,336.26

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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.