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Finding the Fourth Proportional to 388,944, 583,416 and 93,456

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Solution

The fourth proportional to 388,944, 583,416 and 93,456 is: 140,184

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,944 : 583,416 = 93,456 : x
  2. Step 2: Convert to fraction form
    388,944/583,416 = 93,456/x
  3. Step 3: Cross multiply
    388,944x = 583,416 × 93,456
  4. Step 4: Simplify right side
    388,944x = 54,523,725,696
  5. Step 5: Solve for x
    x = 54,523,725,696/388,944
  6. Step 6: Final answer
    x = 140,184

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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.