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Finding the Fourth Proportional to 246,411.25, 369,662.45 and 77,973.98

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Solution

The fourth proportional to 246,411.25, 369,662.45 and 77,973.98 is: 116,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,411.25 : 369,662.45 = 77,973.98 : x
  2. Step 2: Convert to fraction form
    246,411.25/369,662.45 = 77,973.98/x
  3. Step 3: Cross multiply
    246,411.25x = 369,662.45 × 77,973.98
  4. Step 4: Simplify right side
    246,411.25x = 28,824,050,244.87
  5. Step 5: Solve for x
    x = 28,824,050,244.87/246,411.25
  6. Step 6: Final answer
    x = 116,975.38

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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.