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Finding the Fourth Proportional to 304,893.48, 457,266.69 and 127,304.22

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Solution

The fourth proportional to 304,893.48, 457,266.69 and 127,304.22 is: 190,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,893.48 : 457,266.69 = 127,304.22 : x
  2. Step 2: Convert to fraction form
    304,893.48/457,266.69 = 127,304.22/x
  3. Step 3: Cross multiply
    304,893.48x = 457,266.69 × 127,304.22
  4. Step 4: Simplify right side
    304,893.48x = 58,211,979,302.43
  5. Step 5: Solve for x
    x = 58,211,979,302.43/304,893.48
  6. Step 6: Final answer
    x = 190,925.63

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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.