Home / 525,323-788,099.52-170,372.90

Finding the Fourth Proportional to 525,323, 788,099.52 and 170,372.90

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Solution

The fourth proportional to 525,323, 788,099.52 and 170,372.90 is: 255,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,323 : 788,099.52 = 170,372.90 : x
  2. Step 2: Convert to fraction form
    525,323/788,099.52 = 170,372.90/x
  3. Step 3: Cross multiply
    525,323x = 788,099.52 × 170,372.90
  4. Step 4: Simplify right side
    525,323x = 134,270,800,711.01
  5. Step 5: Solve for x
    x = 134,270,800,711.01/525,323
  6. Step 6: Final answer
    x = 255,596.65

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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.