Home / 304,275.06-419,867.27-168,287.40

Finding the Fourth Proportional to 304,275.06, 419,867.27 and 168,287.40

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Solution

The fourth proportional to 304,275.06, 419,867.27 and 168,287.40 is: 232,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,275.06 : 419,867.27 = 168,287.40 : x
  2. Step 2: Convert to fraction form
    304,275.06/419,867.27 = 168,287.40/x
  3. Step 3: Cross multiply
    304,275.06x = 419,867.27 × 168,287.40
  4. Step 4: Simplify right side
    304,275.06x = 70,658,371,213.40
  5. Step 5: Solve for x
    x = 70,658,371,213.40/304,275.06
  6. Step 6: Final answer
    x = 232,218.74

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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.