Home / 304,934.73-420,816.01-177,618.52

Finding the Fourth Proportional to 304,934.73, 420,816.01 and 177,618.52

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Solution

The fourth proportional to 304,934.73, 420,816.01 and 177,618.52 is: 245,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,934.73 : 420,816.01 = 177,618.52 : x
  2. Step 2: Convert to fraction form
    304,934.73/420,816.01 = 177,618.52/x
  3. Step 3: Cross multiply
    304,934.73x = 420,816.01 × 177,618.52
  4. Step 4: Simplify right side
    304,934.73x = 74,744,717,303.51
  5. Step 5: Solve for x
    x = 74,744,717,303.51/304,934.73
  6. Step 6: Final answer
    x = 245,117.10

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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.