Home / 216,276.08-324,423.05-74,219

Finding the Fourth Proportional to 216,276.08, 324,423.05 and 74,219

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Solution

The fourth proportional to 216,276.08, 324,423.05 and 74,219 is: 111,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,276.08 : 324,423.05 = 74,219 : x
  2. Step 2: Convert to fraction form
    216,276.08/324,423.05 = 74,219/x
  3. Step 3: Cross multiply
    216,276.08x = 324,423.05 × 74,219
  4. Step 4: Simplify right side
    216,276.08x = 24,078,354,347.95
  5. Step 5: Solve for x
    x = 24,078,354,347.95/216,276.08
  6. Step 6: Final answer
    x = 111,331.56

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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.