Home / 525,456.21-788,295.03-170,442.54

Finding the Fourth Proportional to 525,456.21, 788,295.03 and 170,442.54

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Solution

The fourth proportional to 525,456.21, 788,295.03 and 170,442.54 is: 255,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,456.21 : 788,295.03 = 170,442.54 : x
  2. Step 2: Convert to fraction form
    525,456.21/788,295.03 = 170,442.54/x
  3. Step 3: Cross multiply
    525,456.21x = 788,295.03 × 170,442.54
  4. Step 4: Simplify right side
    525,456.21x = 134,359,007,182.58
  5. Step 5: Solve for x
    x = 134,359,007,182.58/525,456.21
  6. Step 6: Final answer
    x = 255,699.72

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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.