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Finding the Fourth Proportional to 608,371.49, 912,619.51 and 229,611.04

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Solution

The fourth proportional to 608,371.49, 912,619.51 and 229,611.04 is: 344,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,371.49 : 912,619.51 = 229,611.04 : x
  2. Step 2: Convert to fraction form
    608,371.49/912,619.51 = 229,611.04/x
  3. Step 3: Cross multiply
    608,371.49x = 912,619.51 × 229,611.04
  4. Step 4: Simplify right side
    608,371.49x = 209,547,511,959.81
  5. Step 5: Solve for x
    x = 209,547,511,959.81/608,371.49
  6. Step 6: Final answer
    x = 344,440.06

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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.