Home / 485,268.83-727,903.24-148,310.45

Finding the Fourth Proportional to 485,268.83, 727,903.24 and 148,310.45

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Solution

The fourth proportional to 485,268.83, 727,903.24 and 148,310.45 is: 222,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,268.83 : 727,903.24 = 148,310.45 : x
  2. Step 2: Convert to fraction form
    485,268.83/727,903.24 = 148,310.45/x
  3. Step 3: Cross multiply
    485,268.83x = 727,903.24 × 148,310.45
  4. Step 4: Simplify right side
    485,268.83x = 107,955,657,080.86
  5. Step 5: Solve for x
    x = 107,955,657,080.86/485,268.83
  6. Step 6: Final answer
    x = 222,465.67

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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.