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Finding the Fourth Proportional to 155,364, 233,046 and 38,628

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Solution

The fourth proportional to 155,364, 233,046 and 38,628 is: 57,942

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,364 : 233,046 = 38,628 : x
  2. Step 2: Convert to fraction form
    155,364/233,046 = 38,628/x
  3. Step 3: Cross multiply
    155,364x = 233,046 × 38,628
  4. Step 4: Simplify right side
    155,364x = 9,002,100,888
  5. Step 5: Solve for x
    x = 9,002,100,888/155,364
  6. Step 6: Final answer
    x = 57,942

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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.