Home / 218,904.30-328,615.65-217,349.10

Finding the Fourth Proportional to 218,904.30, 328,615.65 and 217,349.10

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Solution

The fourth proportional to 218,904.30, 328,615.65 and 217,349.10 is: 326,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,904.30 : 328,615.65 = 217,349.10 : x
  2. Step 2: Convert to fraction form
    218,904.30/328,615.65 = 217,349.10/x
  3. Step 3: Cross multiply
    218,904.30x = 328,615.65 × 217,349.10
  4. Step 4: Simplify right side
    218,904.30x = 71,424,315,773.42
  5. Step 5: Solve for x
    x = 71,424,315,773.42/218,904.30
  6. Step 6: Final answer
    x = 326,281.01

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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.