Home / 450,913.42-676,210.58-130,998.73

Finding the Fourth Proportional to 450,913.42, 676,210.58 and 130,998.73

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Solution

The fourth proportional to 450,913.42, 676,210.58 and 130,998.73 is: 196,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,913.42 : 676,210.58 = 130,998.73 : x
  2. Step 2: Convert to fraction form
    450,913.42/676,210.58 = 130,998.73/x
  3. Step 3: Cross multiply
    450,913.42x = 676,210.58 × 130,998.73
  4. Step 4: Simplify right side
    450,913.42x = 88,582,726,537.57
  5. Step 5: Solve for x
    x = 88,582,726,537.57/450,913.42
  6. Step 6: Final answer
    x = 196,451.74

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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.