Home / 304,534.40-420,160.85-177,185.39

Finding the Fourth Proportional to 304,534.40, 420,160.85 and 177,185.39

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Solution

The fourth proportional to 304,534.40, 420,160.85 and 177,185.39 is: 244,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,534.40 : 420,160.85 = 177,185.39 : x
  2. Step 2: Convert to fraction form
    304,534.40/420,160.85 = 177,185.39/x
  3. Step 3: Cross multiply
    304,534.40x = 420,160.85 × 177,185.39
  4. Step 4: Simplify right side
    304,534.40x = 74,446,362,412.14
  5. Step 5: Solve for x
    x = 74,446,362,412.14/304,534.40
  6. Step 6: Final answer
    x = 244,459.62

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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.