Home / 367,145.10-550,458.45-142,418.70

Finding the Fourth Proportional to 367,145.10, 550,458.45 and 142,418.70

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Solution

The fourth proportional to 367,145.10, 550,458.45 and 142,418.70 is: 213,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,145.10 : 550,458.45 = 142,418.70 : x
  2. Step 2: Convert to fraction form
    367,145.10/550,458.45 = 142,418.70/x
  3. Step 3: Cross multiply
    367,145.10x = 550,458.45 × 142,418.70
  4. Step 4: Simplify right side
    367,145.10x = 78,395,576,853.02
  5. Step 5: Solve for x
    x = 78,395,576,853.02/367,145.10
  6. Step 6: Final answer
    x = 213,527.50

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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.