Home / 215,197.20-297,029.16-151,563.60

Finding the Fourth Proportional to 215,197.20, 297,029.16 and 151,563.60

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Solution

The fourth proportional to 215,197.20, 297,029.16 and 151,563.60 is: 209,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,197.20 : 297,029.16 = 151,563.60 : x
  2. Step 2: Convert to fraction form
    215,197.20/297,029.16 = 151,563.60/x
  3. Step 3: Cross multiply
    215,197.20x = 297,029.16 × 151,563.60
  4. Step 4: Simplify right side
    215,197.20x = 45,018,808,794.58
  5. Step 5: Solve for x
    x = 45,018,808,794.58/215,197.20
  6. Step 6: Final answer
    x = 209,197.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.