Home / 316,198.68-474,298.83-129,210.18

Finding the Fourth Proportional to 316,198.68, 474,298.83 and 129,210.18

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Solution

The fourth proportional to 316,198.68, 474,298.83 and 129,210.18 is: 193,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,198.68 : 474,298.83 = 129,210.18 : x
  2. Step 2: Convert to fraction form
    316,198.68/474,298.83 = 129,210.18/x
  3. Step 3: Cross multiply
    316,198.68x = 474,298.83 × 129,210.18
  4. Step 4: Simplify right side
    316,198.68x = 61,284,237,198.09
  5. Step 5: Solve for x
    x = 61,284,237,198.09/316,198.68
  6. Step 6: Final answer
    x = 193,815.60

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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.