Home / 243,558.30-365,337.45-218,189.10

Finding the Fourth Proportional to 243,558.30, 365,337.45 and 218,189.10

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Solution

The fourth proportional to 243,558.30, 365,337.45 and 218,189.10 is: 327,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,558.30 : 365,337.45 = 218,189.10 : x
  2. Step 2: Convert to fraction form
    243,558.30/365,337.45 = 218,189.10/x
  3. Step 3: Cross multiply
    243,558.30x = 365,337.45 × 218,189.10
  4. Step 4: Simplify right side
    243,558.30x = 79,712,649,411.80
  5. Step 5: Solve for x
    x = 79,712,649,411.80/243,558.30
  6. Step 6: Final answer
    x = 327,283.65

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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.