Home / 351,269.76-526,905-164,412.48

Finding the Fourth Proportional to 351,269.76, 526,905 and 164,412.48

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Solution

The fourth proportional to 351,269.76, 526,905 and 164,412.48 is: 246,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,269.76 : 526,905 = 164,412.48 : x
  2. Step 2: Convert to fraction form
    351,269.76/526,905 = 164,412.48/x
  3. Step 3: Cross multiply
    351,269.76x = 526,905 × 164,412.48
  4. Step 4: Simplify right side
    351,269.76x = 86,629,757,774.40
  5. Step 5: Solve for x
    x = 86,629,757,774.40/351,269.76
  6. Step 6: Final answer
    x = 246,618.89

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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.