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Finding the Fourth Proportional to 246,431.61, 369,692.91 and 77,994.27

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Solution

The fourth proportional to 246,431.61, 369,692.91 and 77,994.27 is: 117,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,431.61 : 369,692.91 = 77,994.27 : x
  2. Step 2: Convert to fraction form
    246,431.61/369,692.91 = 77,994.27/x
  3. Step 3: Cross multiply
    246,431.61x = 369,692.91 × 77,994.27
  4. Step 4: Simplify right side
    246,431.61x = 28,833,928,639.63
  5. Step 5: Solve for x
    x = 28,833,928,639.63/246,431.61
  6. Step 6: Final answer
    x = 117,005.80

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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.