Home / 347,748.80-521,331.60-181,536.80

Finding the Fourth Proportional to 347,748.80, 521,331.60 and 181,536.80

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Solution

The fourth proportional to 347,748.80, 521,331.60 and 181,536.80 is: 272,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,748.80 : 521,331.60 = 181,536.80 : x
  2. Step 2: Convert to fraction form
    347,748.80/521,331.60 = 181,536.80/x
  3. Step 3: Cross multiply
    347,748.80x = 521,331.60 × 181,536.80
  4. Step 4: Simplify right side
    347,748.80x = 94,640,870,402.88
  5. Step 5: Solve for x
    x = 94,640,870,402.88/347,748.80
  6. Step 6: Final answer
    x = 272,152.97

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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.