Home / 421,585.92-581,776.20-230,595.18

Finding the Fourth Proportional to 421,585.92, 581,776.20 and 230,595.18

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Solution

The fourth proportional to 421,585.92, 581,776.20 and 230,595.18 is: 318,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,585.92 : 581,776.20 = 230,595.18 : x
  2. Step 2: Convert to fraction form
    421,585.92/581,776.20 = 230,595.18/x
  3. Step 3: Cross multiply
    421,585.92x = 581,776.20 × 230,595.18
  4. Step 4: Simplify right side
    421,585.92x = 134,154,787,558.72
  5. Step 5: Solve for x
    x = 134,154,787,558.72/421,585.92
  6. Step 6: Final answer
    x = 318,214.58

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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.