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Finding the Fourth Proportional to 525,208.70, 788,007.45 and 170,234.30

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Solution

The fourth proportional to 525,208.70, 788,007.45 and 170,234.30 is: 255,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,208.70 : 788,007.45 = 170,234.30 : x
  2. Step 2: Convert to fraction form
    525,208.70/788,007.45 = 170,234.30/x
  3. Step 3: Cross multiply
    525,208.70x = 788,007.45 × 170,234.30
  4. Step 4: Simplify right side
    525,208.70x = 134,145,896,645.54
  5. Step 5: Solve for x
    x = 134,145,896,645.54/525,208.70
  6. Step 6: Final answer
    x = 255,414.46

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1.5x scale

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.