Home / 304,938.30-420,824.07-168,959.53

Finding the Fourth Proportional to 304,938.30, 420,824.07 and 168,959.53

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Solution

The fourth proportional to 304,938.30, 420,824.07 and 168,959.53 is: 233,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,938.30 : 420,824.07 = 168,959.53 : x
  2. Step 2: Convert to fraction form
    304,938.30/420,824.07 = 168,959.53/x
  3. Step 3: Cross multiply
    304,938.30x = 420,824.07 × 168,959.53
  4. Step 4: Simplify right side
    304,938.30x = 71,102,237,079.89
  5. Step 5: Solve for x
    x = 71,102,237,079.89/304,938.30
  6. Step 6: Final answer
    x = 233,169.26

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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.