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Finding the Fourth Proportional to 304,879.80, 456,444.90 and 186,781.80

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Solution

The fourth proportional to 304,879.80, 456,444.90 and 186,781.80 is: 279,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,879.80 : 456,444.90 = 186,781.80 : x
  2. Step 2: Convert to fraction form
    304,879.80/456,444.90 = 186,781.80/x
  3. Step 3: Cross multiply
    304,879.80x = 456,444.90 × 186,781.80
  4. Step 4: Simplify right side
    304,879.80x = 85,255,600,022.82
  5. Step 5: Solve for x
    x = 85,255,600,022.82/304,879.80
  6. Step 6: Final answer
    x = 279,636.76

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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.