Home / 211,325.70-317,316.60-122,752.20

Finding the Fourth Proportional to 211,325.70, 317,316.60 and 122,752.20

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Solution

The fourth proportional to 211,325.70, 317,316.60 and 122,752.20 is: 184,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,325.70 : 317,316.60 = 122,752.20 : x
  2. Step 2: Convert to fraction form
    211,325.70/317,316.60 = 122,752.20/x
  3. Step 3: Cross multiply
    211,325.70x = 317,316.60 × 122,752.20
  4. Step 4: Simplify right side
    211,325.70x = 38,951,310,746.52
  5. Step 5: Solve for x
    x = 38,951,310,746.52/211,325.70
  6. Step 6: Final answer
    x = 184,318.85

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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.