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Finding the Fourth Proportional to 525,322, 788,098.02 and 170,371.90

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Solution

The fourth proportional to 525,322, 788,098.02 and 170,371.90 is: 255,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,322 : 788,098.02 = 170,371.90 : x
  2. Step 2: Convert to fraction form
    525,322/788,098.02 = 170,371.90/x
  3. Step 3: Cross multiply
    525,322x = 788,098.02 × 170,371.90
  4. Step 4: Simplify right side
    525,322x = 134,269,757,053.64
  5. Step 5: Solve for x
    x = 134,269,757,053.64/525,322
  6. Step 6: Final answer
    x = 255,595.15

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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.