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Finding the Fourth Proportional to 608,028.65, 912,080.58 and 203,257.28

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Solution

The fourth proportional to 608,028.65, 912,080.58 and 203,257.28 is: 304,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,028.65 : 912,080.58 = 203,257.28 : x
  2. Step 2: Convert to fraction form
    608,028.65/912,080.58 = 203,257.28/x
  3. Step 3: Cross multiply
    608,028.65x = 912,080.58 × 203,257.28
  4. Step 4: Simplify right side
    608,028.65x = 185,387,015,362.48
  5. Step 5: Solve for x
    x = 185,387,015,362.48/608,028.65
  6. Step 6: Final answer
    x = 304,898.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.