Home / 470,401.10-705,601.65-221,569.10

Finding the Fourth Proportional to 470,401.10, 705,601.65 and 221,569.10

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Solution

The fourth proportional to 470,401.10, 705,601.65 and 221,569.10 is: 332,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,401.10 : 705,601.65 = 221,569.10 : x
  2. Step 2: Convert to fraction form
    470,401.10/705,601.65 = 221,569.10/x
  3. Step 3: Cross multiply
    470,401.10x = 705,601.65 × 221,569.10
  4. Step 4: Simplify right side
    470,401.10x = 156,339,522,549.02
  5. Step 5: Solve for x
    x = 156,339,522,549.02/470,401.10
  6. Step 6: Final answer
    x = 332,353.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.