Home / 303,945.10-455,261.55-197,656.90

Finding the Fourth Proportional to 303,945.10, 455,261.55 and 197,656.90

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Solution

The fourth proportional to 303,945.10, 455,261.55 and 197,656.90 is: 296,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,945.10 : 455,261.55 = 197,656.90 : x
  2. Step 2: Convert to fraction form
    303,945.10/455,261.55 = 197,656.90/x
  3. Step 3: Cross multiply
    303,945.10x = 455,261.55 × 197,656.90
  4. Step 4: Simplify right side
    303,945.10x = 89,985,586,662.20
  5. Step 5: Solve for x
    x = 89,985,586,662.20/303,945.10
  6. Step 6: Final answer
    x = 296,058.69

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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.