Home / 218,867.40-328,301.10-148,883.40

Finding the Fourth Proportional to 218,867.40, 328,301.10 and 148,883.40

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Solution

The fourth proportional to 218,867.40, 328,301.10 and 148,883.40 is: 223,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,867.40 : 328,301.10 = 148,883.40 : x
  2. Step 2: Convert to fraction form
    218,867.40/328,301.10 = 148,883.40/x
  3. Step 3: Cross multiply
    218,867.40x = 328,301.10 × 148,883.40
  4. Step 4: Simplify right side
    218,867.40x = 48,878,583,991.74
  5. Step 5: Solve for x
    x = 48,878,583,991.74/218,867.40
  6. Step 6: Final answer
    x = 223,325.10

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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.