Home / 400,436.92-552,595.53-219,145.15

Finding the Fourth Proportional to 400,436.92, 552,595.53 and 219,145.15

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Solution

The fourth proportional to 400,436.92, 552,595.53 and 219,145.15 is: 302,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,436.92 : 552,595.53 = 219,145.15 : x
  2. Step 2: Convert to fraction form
    400,436.92/552,595.53 = 219,145.15/x
  3. Step 3: Cross multiply
    400,436.92x = 552,595.53 × 219,145.15
  4. Step 4: Simplify right side
    400,436.92x = 121,098,630,311.18
  5. Step 5: Solve for x
    x = 121,098,630,311.18/400,436.92
  6. Step 6: Final answer
    x = 302,416.25

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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.