Home / 284,172.20-426,258.30-165,782.60

Finding the Fourth Proportional to 284,172.20, 426,258.30 and 165,782.60

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Solution

The fourth proportional to 284,172.20, 426,258.30 and 165,782.60 is: 248,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,172.20 : 426,258.30 = 165,782.60 : x
  2. Step 2: Convert to fraction form
    284,172.20/426,258.30 = 165,782.60/x
  3. Step 3: Cross multiply
    284,172.20x = 426,258.30 × 165,782.60
  4. Step 4: Simplify right side
    284,172.20x = 70,666,209,245.58
  5. Step 5: Solve for x
    x = 70,666,209,245.58/284,172.20
  6. Step 6: Final answer
    x = 248,673.90

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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.