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Finding the Fourth Proportional to 347,733.80, 521,309.10 and 181,521.80

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Solution

The fourth proportional to 347,733.80, 521,309.10 and 181,521.80 is: 272,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,733.80 : 521,309.10 = 181,521.80 : x
  2. Step 2: Convert to fraction form
    347,733.80/521,309.10 = 181,521.80/x
  3. Step 3: Cross multiply
    347,733.80x = 521,309.10 × 181,521.80
  4. Step 4: Simplify right side
    347,733.80x = 94,628,966,188.38
  5. Step 5: Solve for x
    x = 94,628,966,188.38/347,733.80
  6. Step 6: Final answer
    x = 272,130.48

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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.