Home / 372,441.76-514,025-219,431.05

Finding the Fourth Proportional to 372,441.76, 514,025 and 219,431.05

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Solution

The fourth proportional to 372,441.76, 514,025 and 219,431.05 is: 302,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,441.76 : 514,025 = 219,431.05 : x
  2. Step 2: Convert to fraction form
    372,441.76/514,025 = 219,431.05/x
  3. Step 3: Cross multiply
    372,441.76x = 514,025 × 219,431.05
  4. Step 4: Simplify right side
    372,441.76x = 112,793,045,476.25
  5. Step 5: Solve for x
    x = 112,793,045,476.25/372,441.76
  6. Step 6: Final answer
    x = 302,847.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.