Home / 218,818.04-328,227.07-69,070.01

Finding the Fourth Proportional to 218,818.04, 328,227.07 and 69,070.01

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Solution

The fourth proportional to 218,818.04, 328,227.07 and 69,070.01 is: 103,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.04 : 328,227.07 = 69,070.01 : x
  2. Step 2: Convert to fraction form
    218,818.04/328,227.07 = 69,070.01/x
  3. Step 3: Cross multiply
    218,818.04x = 328,227.07 × 69,070.01
  4. Step 4: Simplify right side
    218,818.04x = 22,670,647,655.06
  5. Step 5: Solve for x
    x = 22,670,647,655.06/218,818.04
  6. Step 6: Final answer
    x = 103,605.02

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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.