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Finding the Fourth Proportional to 304,410.70, 456,616.05 and 302,661.10

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Solution

The fourth proportional to 304,410.70, 456,616.05 and 302,661.10 is: 453,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,410.70 : 456,616.05 = 302,661.10 : x
  2. Step 2: Convert to fraction form
    304,410.70/456,616.05 = 302,661.10/x
  3. Step 3: Cross multiply
    304,410.70x = 456,616.05 × 302,661.10
  4. Step 4: Simplify right side
    304,410.70x = 138,199,915,970.66
  5. Step 5: Solve for x
    x = 138,199,915,970.66/304,410.70
  6. Step 6: Final answer
    x = 453,991.65

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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.