Home / 421,531.04-581,705.52-230,540.24

Finding the Fourth Proportional to 421,531.04, 581,705.52 and 230,540.24

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Solution

The fourth proportional to 421,531.04, 581,705.52 and 230,540.24 is: 318,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,531.04 : 581,705.52 = 230,540.24 : x
  2. Step 2: Convert to fraction form
    421,531.04/581,705.52 = 230,540.24/x
  3. Step 3: Cross multiply
    421,531.04x = 581,705.52 × 230,540.24
  4. Step 4: Simplify right side
    421,531.04x = 134,106,530,190.13
  5. Step 5: Solve for x
    x = 134,106,530,190.13/421,531.04
  6. Step 6: Final answer
    x = 318,141.53

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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.