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Finding the Fourth Proportional to 218,187.60, 326,820.60 and 181,323.60

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Solution

The fourth proportional to 218,187.60, 326,820.60 and 181,323.60 is: 271,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,187.60 : 326,820.60 = 181,323.60 : x
  2. Step 2: Convert to fraction form
    218,187.60/326,820.60 = 181,323.60/x
  3. Step 3: Cross multiply
    218,187.60x = 326,820.60 × 181,323.60
  4. Step 4: Simplify right side
    218,187.60x = 59,260,287,746.16
  5. Step 5: Solve for x
    x = 59,260,287,746.16/218,187.60
  6. Step 6: Final answer
    x = 271,602.45

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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.