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Finding the Fourth Proportional to 294,936, 442,405.62 and 73,320

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Solution

The fourth proportional to 294,936, 442,405.62 and 73,320 is: 109,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,936 : 442,405.62 = 73,320 : x
  2. Step 2: Convert to fraction form
    294,936/442,405.62 = 73,320/x
  3. Step 3: Cross multiply
    294,936x = 442,405.62 × 73,320
  4. Step 4: Simplify right side
    294,936x = 32,437,180,058.40
  5. Step 5: Solve for x
    x = 32,437,180,058.40/294,936
  6. Step 6: Final answer
    x = 109,980.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.