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Finding the Fourth Proportional to 304,476.18, 420,578.73 and 233,730.42

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Solution

The fourth proportional to 304,476.18, 420,578.73 and 233,730.42 is: 322,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,476.18 : 420,578.73 = 233,730.42 : x
  2. Step 2: Convert to fraction form
    304,476.18/420,578.73 = 233,730.42/x
  3. Step 3: Cross multiply
    304,476.18x = 420,578.73 × 233,730.42
  4. Step 4: Simplify right side
    304,476.18x = 98,302,043,205.97
  5. Step 5: Solve for x
    x = 98,302,043,205.97/304,476.18
  6. Step 6: Final answer
    x = 322,856.27

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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.