Home / 380,506.10-570,758.83-131,168.50

Finding the Fourth Proportional to 380,506.10, 570,758.83 and 131,168.50

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Solution

The fourth proportional to 380,506.10, 570,758.83 and 131,168.50 is: 196,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,506.10 : 570,758.83 = 131,168.50 : x
  2. Step 2: Convert to fraction form
    380,506.10/570,758.83 = 131,168.50/x
  3. Step 3: Cross multiply
    380,506.10x = 570,758.83 × 131,168.50
  4. Step 4: Simplify right side
    380,506.10x = 74,865,579,592.86
  5. Step 5: Solve for x
    x = 74,865,579,592.86/380,506.10
  6. Step 6: Final answer
    x = 196,752.64

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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.