Home / 421,264.56-581,354.10-230,295.72

Finding the Fourth Proportional to 421,264.56, 581,354.10 and 230,295.72

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Solution

The fourth proportional to 421,264.56, 581,354.10 and 230,295.72 is: 317,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,264.56 : 581,354.10 = 230,295.72 : x
  2. Step 2: Convert to fraction form
    421,264.56/581,354.10 = 230,295.72/x
  3. Step 3: Cross multiply
    421,264.56x = 581,354.10 × 230,295.72
  4. Step 4: Simplify right side
    421,264.56x = 133,883,361,034.45
  5. Step 5: Solve for x
    x = 133,883,361,034.45/421,264.56
  6. Step 6: Final answer
    x = 317,813.02

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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.