Home / 421,599.92-581,795.52-230,609.20

Finding the Fourth Proportional to 421,599.92, 581,795.52 and 230,609.20

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Solution

The fourth proportional to 421,599.92, 581,795.52 and 230,609.20 is: 318,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,599.92 : 581,795.52 = 230,609.20 : x
  2. Step 2: Convert to fraction form
    421,599.92/581,795.52 = 230,609.20/x
  3. Step 3: Cross multiply
    421,599.92x = 581,795.52 × 230,609.20
  4. Step 4: Simplify right side
    421,599.92x = 134,167,399,430.78
  5. Step 5: Solve for x
    x = 134,167,399,430.78/421,599.92
  6. Step 6: Final answer
    x = 318,233.93

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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.