Home / 421,719.58-581,972.34-230,733.73

Finding the Fourth Proportional to 421,719.58, 581,972.34 and 230,733.73

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Solution

The fourth proportional to 421,719.58, 581,972.34 and 230,733.73 is: 318,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,719.58 : 581,972.34 = 230,733.73 : x
  2. Step 2: Convert to fraction form
    421,719.58/581,972.34 = 230,733.73/x
  3. Step 3: Cross multiply
    421,719.58x = 581,972.34 × 230,733.73
  4. Step 4: Simplify right side
    421,719.58x = 134,280,648,765.03
  5. Step 5: Solve for x
    x = 134,280,648,765.03/421,719.58
  6. Step 6: Final answer
    x = 318,412.18

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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.