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Finding the Fourth Proportional to 342,741.60, 514,161.61 and 118,041.93

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Solution

The fourth proportional to 342,741.60, 514,161.61 and 118,041.93 is: 177,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,741.60 : 514,161.61 = 118,041.93 : x
  2. Step 2: Convert to fraction form
    342,741.60/514,161.61 = 118,041.93/x
  3. Step 3: Cross multiply
    342,741.60x = 514,161.61 × 118,041.93
  4. Step 4: Simplify right side
    342,741.60x = 60,692,628,481.20
  5. Step 5: Solve for x
    x = 60,692,628,481.20/342,741.60
  6. Step 6: Final answer
    x = 177,079.84

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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.