Home / 304,799.54-420,618.57-166,977.36

Finding the Fourth Proportional to 304,799.54, 420,618.57 and 166,977.36

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Solution

The fourth proportional to 304,799.54, 420,618.57 and 166,977.36 is: 230,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,799.54 : 420,618.57 = 166,977.36 : x
  2. Step 2: Convert to fraction form
    304,799.54/420,618.57 = 166,977.36/x
  3. Step 3: Cross multiply
    304,799.54x = 420,618.57 × 166,977.36
  4. Step 4: Simplify right side
    304,799.54x = 70,233,778,385.58
  5. Step 5: Solve for x
    x = 70,233,778,385.58/304,799.54
  6. Step 6: Final answer
    x = 230,426.13

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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.