Home / 205,465.47-308,169.51-70,527.43

Finding the Fourth Proportional to 205,465.47, 308,169.51 and 70,527.43

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Solution

The fourth proportional to 205,465.47, 308,169.51 and 70,527.43 is: 105,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,465.47 : 308,169.51 = 70,527.43 : x
  2. Step 2: Convert to fraction form
    205,465.47/308,169.51 = 70,527.43/x
  3. Step 3: Cross multiply
    205,465.47x = 308,169.51 × 70,527.43
  4. Step 4: Simplify right side
    205,465.47x = 21,734,403,544.66
  5. Step 5: Solve for x
    x = 21,734,403,544.66/205,465.47
  6. Step 6: Final answer
    x = 105,781.30

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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.