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Finding the Fourth Proportional to 304,480.38, 420,080.50 and 177,051.18

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Solution

The fourth proportional to 304,480.38, 420,080.50 and 177,051.18 is: 244,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.38 : 420,080.50 = 177,051.18 : x
  2. Step 2: Convert to fraction form
    304,480.38/420,080.50 = 177,051.18/x
  3. Step 3: Cross multiply
    304,480.38x = 420,080.50 × 177,051.18
  4. Step 4: Simplify right side
    304,480.38x = 74,375,748,219.99
  5. Step 5: Solve for x
    x = 74,375,748,219.99/304,480.38
  6. Step 6: Final answer
    x = 244,271.07

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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.