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Finding the Fourth Proportional to 292,873.35, 438,808.54 and 159,846.95

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Solution

The fourth proportional to 292,873.35, 438,808.54 and 159,846.95 is: 239,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,873.35 : 438,808.54 = 159,846.95 : x
  2. Step 2: Convert to fraction form
    292,873.35/438,808.54 = 159,846.95/x
  3. Step 3: Cross multiply
    292,873.35x = 438,808.54 × 159,846.95
  4. Step 4: Simplify right side
    292,873.35x = 70,142,207,450.36
  5. Step 5: Solve for x
    x = 70,142,207,450.36/292,873.35
  6. Step 6: Final answer
    x = 239,496.72

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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.