Home / 347,954.20-521,931.30-181,720.60

Finding the Fourth Proportional to 347,954.20, 521,931.30 and 181,720.60

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Solution

The fourth proportional to 347,954.20, 521,931.30 and 181,720.60 is: 272,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,954.20 : 521,931.30 = 181,720.60 : x
  2. Step 2: Convert to fraction form
    347,954.20/521,931.30 = 181,720.60/x
  3. Step 3: Cross multiply
    347,954.20x = 521,931.30 × 181,720.60
  4. Step 4: Simplify right side
    347,954.20x = 94,845,668,994.78
  5. Step 5: Solve for x
    x = 94,845,668,994.78/347,954.20
  6. Step 6: Final answer
    x = 272,580.90

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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.