Home / 291,845.43-437,769.36-81,482.76

Finding the Fourth Proportional to 291,845.43, 437,769.36 and 81,482.76

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Solution

The fourth proportional to 291,845.43, 437,769.36 and 81,482.76 is: 122,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,845.43 : 437,769.36 = 81,482.76 : x
  2. Step 2: Convert to fraction form
    291,845.43/437,769.36 = 81,482.76/x
  3. Step 3: Cross multiply
    291,845.43x = 437,769.36 × 81,482.76
  4. Step 4: Simplify right side
    291,845.43x = 35,670,655,696.23
  5. Step 5: Solve for x
    x = 35,670,655,696.23/291,845.43
  6. Step 6: Final answer
    x = 122,224.48

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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.