Home / 217,572.10-326,284.24-75,384.19

Finding the Fourth Proportional to 217,572.10, 326,284.24 and 75,384.19

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Solution

The fourth proportional to 217,572.10, 326,284.24 and 75,384.19 is: 113,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,572.10 : 326,284.24 = 75,384.19 : x
  2. Step 2: Convert to fraction form
    217,572.10/326,284.24 = 75,384.19/x
  3. Step 3: Cross multiply
    217,572.10x = 326,284.24 × 75,384.19
  4. Step 4: Simplify right side
    217,572.10x = 24,596,673,142.17
  5. Step 5: Solve for x
    x = 24,596,673,142.17/217,572.10
  6. Step 6: Final answer
    x = 113,050.68

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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.