Home / 522,105.76-782,775.60-166,915.36

Finding the Fourth Proportional to 522,105.76, 782,775.60 and 166,915.36

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Solution

The fourth proportional to 522,105.76, 782,775.60 and 166,915.36 is: 250,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,105.76 : 782,775.60 = 166,915.36 : x
  2. Step 2: Convert to fraction form
    522,105.76/782,775.60 = 166,915.36/x
  3. Step 3: Cross multiply
    522,105.76x = 782,775.60 × 166,915.36
  4. Step 4: Simplify right side
    522,105.76x = 130,657,271,073.22
  5. Step 5: Solve for x
    x = 130,657,271,073.22/522,105.76
  6. Step 6: Final answer
    x = 250,250.58

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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.