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Finding the Fourth Proportional to 246,425.48, 369,678.77 and 75,642.90

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Solution

The fourth proportional to 246,425.48, 369,678.77 and 75,642.90 is: 113,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,425.48 : 369,678.77 = 75,642.90 : x
  2. Step 2: Convert to fraction form
    246,425.48/369,678.77 = 75,642.90/x
  3. Step 3: Cross multiply
    246,425.48x = 369,678.77 × 75,642.90
  4. Step 4: Simplify right side
    246,425.48x = 27,963,573,853.02
  5. Step 5: Solve for x
    x = 27,963,573,853.02/246,425.48
  6. Step 6: Final answer
    x = 113,476.80

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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.