Home / 347,455.20-521,182.80-181,221.60

Finding the Fourth Proportional to 347,455.20, 521,182.80 and 181,221.60

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Solution

The fourth proportional to 347,455.20, 521,182.80 and 181,221.60 is: 271,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,455.20 : 521,182.80 = 181,221.60 : x
  2. Step 2: Convert to fraction form
    347,455.20/521,182.80 = 181,221.60/x
  3. Step 3: Cross multiply
    347,455.20x = 521,182.80 × 181,221.60
  4. Step 4: Simplify right side
    347,455.20x = 94,449,580,908.48
  5. Step 5: Solve for x
    x = 94,449,580,908.48/347,455.20
  6. Step 6: Final answer
    x = 271,832.40

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1.5x scale

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.