Home / 380,095.20-570,069.90-113,864.40

Finding the Fourth Proportional to 380,095.20, 570,069.90 and 113,864.40

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Solution

The fourth proportional to 380,095.20, 570,069.90 and 113,864.40 is: 170,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,095.20 : 570,069.90 = 113,864.40 : x
  2. Step 2: Convert to fraction form
    380,095.20/570,069.90 = 113,864.40/x
  3. Step 3: Cross multiply
    380,095.20x = 570,069.90 × 113,864.40
  4. Step 4: Simplify right side
    380,095.20x = 64,910,667,121.56
  5. Step 5: Solve for x
    x = 64,910,667,121.56/380,095.20
  6. Step 6: Final answer
    x = 170,774.76

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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.