Home / 421,037.75-581,025.29-230,047.04

Finding the Fourth Proportional to 421,037.75, 581,025.29 and 230,047.04

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Solution

The fourth proportional to 421,037.75, 581,025.29 and 230,047.04 is: 317,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,037.75 : 581,025.29 = 230,047.04 : x
  2. Step 2: Convert to fraction form
    421,037.75/581,025.29 = 230,047.04/x
  3. Step 3: Cross multiply
    421,037.75x = 581,025.29 × 230,047.04
  4. Step 4: Simplify right side
    421,037.75x = 133,663,148,431.97
  5. Step 5: Solve for x
    x = 133,663,148,431.97/421,037.75
  6. Step 6: Final answer
    x = 317,461.20

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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.