Home / 304,938.80-420,824.76-168,960.03

Finding the Fourth Proportional to 304,938.80, 420,824.76 and 168,960.03

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Solution

The fourth proportional to 304,938.80, 420,824.76 and 168,960.03 is: 233,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,938.80 : 420,824.76 = 168,960.03 : x
  2. Step 2: Convert to fraction form
    304,938.80/420,824.76 = 168,960.03/x
  3. Step 3: Cross multiply
    304,938.80x = 420,824.76 × 168,960.03
  4. Step 4: Simplify right side
    304,938.80x = 71,102,564,074.34
  5. Step 5: Solve for x
    x = 71,102,564,074.34/304,938.80
  6. Step 6: Final answer
    x = 233,169.95

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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.