Home / 291,294.07-436,946.58-80,937.49

Finding the Fourth Proportional to 291,294.07, 436,946.58 and 80,937.49

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Solution

The fourth proportional to 291,294.07, 436,946.58 and 80,937.49 is: 121,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,294.07 : 436,946.58 = 80,937.49 : x
  2. Step 2: Convert to fraction form
    291,294.07/436,946.58 = 80,937.49/x
  3. Step 3: Cross multiply
    291,294.07x = 436,946.58 × 80,937.49
  4. Step 4: Simplify right side
    291,294.07x = 35,365,359,449.28
  5. Step 5: Solve for x
    x = 35,365,359,449.28/291,294.07
  6. Step 6: Final answer
    x = 121,407.76

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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.