Home / 218,815.93-325,922.66-208,577.53

Finding the Fourth Proportional to 218,815.93, 325,922.66 and 208,577.53

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Solution

The fourth proportional to 218,815.93, 325,922.66 and 208,577.53 is: 310,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,815.93 : 325,922.66 = 208,577.53 : x
  2. Step 2: Convert to fraction form
    218,815.93/325,922.66 = 208,577.53/x
  3. Step 3: Cross multiply
    218,815.93x = 325,922.66 × 208,577.53
  4. Step 4: Simplify right side
    218,815.93x = 67,980,144,127.14
  5. Step 5: Solve for x
    x = 67,980,144,127.14/218,815.93
  6. Step 6: Final answer
    x = 310,672.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.