Home / 268,995.27-371,214.59-154,278.35

Finding the Fourth Proportional to 268,995.27, 371,214.59 and 154,278.35

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Solution

The fourth proportional to 268,995.27, 371,214.59 and 154,278.35 is: 212,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,995.27 : 371,214.59 = 154,278.35 : x
  2. Step 2: Convert to fraction form
    268,995.27/371,214.59 = 154,278.35/x
  3. Step 3: Cross multiply
    268,995.27x = 371,214.59 × 154,278.35
  4. Step 4: Simplify right side
    268,995.27x = 57,270,371,813.66
  5. Step 5: Solve for x
    x = 57,270,371,813.66/268,995.27
  6. Step 6: Final answer
    x = 212,904.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.