Home / 209,577.42-314,405.01-69,337.26

Finding the Fourth Proportional to 209,577.42, 314,405.01 and 69,337.26

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Solution

The fourth proportional to 209,577.42, 314,405.01 and 69,337.26 is: 104,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,577.42 : 314,405.01 = 69,337.26 : x
  2. Step 2: Convert to fraction form
    209,577.42/314,405.01 = 69,337.26/x
  3. Step 3: Cross multiply
    209,577.42x = 314,405.01 × 69,337.26
  4. Step 4: Simplify right side
    209,577.42x = 21,799,981,923.67
  5. Step 5: Solve for x
    x = 21,799,981,923.67/209,577.42
  6. Step 6: Final answer
    x = 104,018.75

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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.