Home / 304,770.20-420,587.33-175,706.46

Finding the Fourth Proportional to 304,770.20, 420,587.33 and 175,706.46

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Solution

The fourth proportional to 304,770.20, 420,587.33 and 175,706.46 is: 242,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,770.20 : 420,587.33 = 175,706.46 : x
  2. Step 2: Convert to fraction form
    304,770.20/420,587.33 = 175,706.46/x
  3. Step 3: Cross multiply
    304,770.20x = 420,587.33 × 175,706.46
  4. Step 4: Simplify right side
    304,770.20x = 73,899,910,875.15
  5. Step 5: Solve for x
    x = 73,899,910,875.15/304,770.20
  6. Step 6: Final answer
    x = 242,477.48

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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.