Home / 446,345.85-669,429.25-218,543.31

Finding the Fourth Proportional to 446,345.85, 669,429.25 and 218,543.31

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Solution

The fourth proportional to 446,345.85, 669,429.25 and 218,543.31 is: 327,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,345.85 : 669,429.25 = 218,543.31 : x
  2. Step 2: Convert to fraction form
    446,345.85/669,429.25 = 218,543.31/x
  3. Step 3: Cross multiply
    446,345.85x = 669,429.25 × 218,543.31
  4. Step 4: Simplify right side
    446,345.85x = 146,299,286,325.75
  5. Step 5: Solve for x
    x = 146,299,286,325.75/446,345.85
  6. Step 6: Final answer
    x = 327,771.14

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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.