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Finding the Fourth Proportional to 304,783.47, 457,282.86 and 136,288.89

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Solution

The fourth proportional to 304,783.47, 457,282.86 and 136,288.89 is: 204,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,783.47 : 457,282.86 = 136,288.89 : x
  2. Step 2: Convert to fraction form
    304,783.47/457,282.86 = 136,288.89/x
  3. Step 3: Cross multiply
    304,783.47x = 457,282.86 × 136,288.89
  4. Step 4: Simplify right side
    304,783.47x = 62,322,573,405.43
  5. Step 5: Solve for x
    x = 62,322,573,405.43/304,783.47
  6. Step 6: Final answer
    x = 204,481.47

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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.