Home / 211,800.27-317,700.69-148,901.70

Finding the Fourth Proportional to 211,800.27, 317,700.69 and 148,901.70

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Solution

The fourth proportional to 211,800.27, 317,700.69 and 148,901.70 is: 223,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,800.27 : 317,700.69 = 148,901.70 : x
  2. Step 2: Convert to fraction form
    211,800.27/317,700.69 = 148,901.70/x
  3. Step 3: Cross multiply
    211,800.27x = 317,700.69 × 148,901.70
  4. Step 4: Simplify right side
    211,800.27x = 47,306,172,832.17
  5. Step 5: Solve for x
    x = 47,306,172,832.17/211,800.27
  6. Step 6: Final answer
    x = 223,352.75

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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.