Home / 304,844.59-420,711.37-168,921.17

Finding the Fourth Proportional to 304,844.59, 420,711.37 and 168,921.17

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Solution

The fourth proportional to 304,844.59, 420,711.37 and 168,921.17 is: 233,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,844.59 : 420,711.37 = 168,921.17 : x
  2. Step 2: Convert to fraction form
    304,844.59/420,711.37 = 168,921.17/x
  3. Step 3: Cross multiply
    304,844.59x = 420,711.37 × 168,921.17
  4. Step 4: Simplify right side
    304,844.59x = 71,067,057,482.18
  5. Step 5: Solve for x
    x = 71,067,057,482.18/304,844.59
  6. Step 6: Final answer
    x = 233,125.53

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1.5x scale

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.