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Finding the Fourth Proportional to 509,352, 764,028 and 159,144

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Solution

The fourth proportional to 509,352, 764,028 and 159,144 is: 238,716

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,352 : 764,028 = 159,144 : x
  2. Step 2: Convert to fraction form
    509,352/764,028 = 159,144/x
  3. Step 3: Cross multiply
    509,352x = 764,028 × 159,144
  4. Step 4: Simplify right side
    509,352x = 121,590,472,032
  5. Step 5: Solve for x
    x = 121,590,472,032/509,352
  6. Step 6: Final answer
    x = 238,716

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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.