Home / 218,842.08-328,263.18-69,097.51

Finding the Fourth Proportional to 218,842.08, 328,263.18 and 69,097.51

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Solution

The fourth proportional to 218,842.08, 328,263.18 and 69,097.51 is: 103,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,842.08 : 328,263.18 = 69,097.51 : x
  2. Step 2: Convert to fraction form
    218,842.08/328,263.18 = 69,097.51/x
  3. Step 3: Cross multiply
    218,842.08x = 328,263.18 × 69,097.51
  4. Step 4: Simplify right side
    218,842.08x = 22,682,168,362.68
  5. Step 5: Solve for x
    x = 22,682,168,362.68/218,842.08
  6. Step 6: Final answer
    x = 103,646.28

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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.