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Finding the Fourth Proportional to 525,402.50, 788,029.88 and 170,419.62

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Solution

The fourth proportional to 525,402.50, 788,029.88 and 170,419.62 is: 255,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,402.50 : 788,029.88 = 170,419.62 : x
  2. Step 2: Convert to fraction form
    525,402.50/788,029.88 = 170,419.62/x
  3. Step 3: Cross multiply
    525,402.50x = 788,029.88 × 170,419.62
  4. Step 4: Simplify right side
    525,402.50x = 134,295,752,698.25
  5. Step 5: Solve for x
    x = 134,295,752,698.25/525,402.50
  6. Step 6: Final answer
    x = 255,605.47

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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.