Home / 291,221.10-436,831.65-231,734.70

Finding the Fourth Proportional to 291,221.10, 436,831.65 and 231,734.70

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Solution

The fourth proportional to 291,221.10, 436,831.65 and 231,734.70 is: 347,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,221.10 : 436,831.65 = 231,734.70 : x
  2. Step 2: Convert to fraction form
    291,221.10/436,831.65 = 231,734.70/x
  3. Step 3: Cross multiply
    291,221.10x = 436,831.65 × 231,734.70
  4. Step 4: Simplify right side
    291,221.10x = 101,229,051,363.26
  5. Step 5: Solve for x
    x = 101,229,051,363.26/291,221.10
  6. Step 6: Final answer
    x = 347,602.05

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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.