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Finding the Fourth Proportional to 294,532.55, 441,774.15 and 116,991.89

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Solution

The fourth proportional to 294,532.55, 441,774.15 and 116,991.89 is: 175,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,532.55 : 441,774.15 = 116,991.89 : x
  2. Step 2: Convert to fraction form
    294,532.55/441,774.15 = 116,991.89/x
  3. Step 3: Cross multiply
    294,532.55x = 441,774.15 × 116,991.89
  4. Step 4: Simplify right side
    294,532.55x = 51,683,994,913.77
  5. Step 5: Solve for x
    x = 51,683,994,913.77/294,532.55
  6. Step 6: Final answer
    x = 175,478.04

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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.