Home / 421,283.20-581,370.96-230,296.54

Finding the Fourth Proportional to 421,283.20, 581,370.96 and 230,296.54

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Solution

The fourth proportional to 421,283.20, 581,370.96 and 230,296.54 is: 317,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,283.20 : 581,370.96 = 230,296.54 : x
  2. Step 2: Convert to fraction form
    421,283.20/581,370.96 = 230,296.54/x
  3. Step 3: Cross multiply
    421,283.20x = 581,370.96 × 230,296.54
  4. Step 4: Simplify right side
    421,283.20x = 133,887,720,544.48
  5. Step 5: Solve for x
    x = 133,887,720,544.48/421,283.20
  6. Step 6: Final answer
    x = 317,809.30

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1.5x scale

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.