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Finding the Fourth Proportional to 389,094, 583,641 and 93,606

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Solution

The fourth proportional to 389,094, 583,641 and 93,606 is: 140,409

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,094 : 583,641 = 93,606 : x
  2. Step 2: Convert to fraction form
    389,094/583,641 = 93,606/x
  3. Step 3: Cross multiply
    389,094x = 583,641 × 93,606
  4. Step 4: Simplify right side
    389,094x = 54,632,299,446
  5. Step 5: Solve for x
    x = 54,632,299,446/389,094
  6. Step 6: Final answer
    x = 140,409

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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.