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Finding the Fourth Proportional to 302,721.60, 454,082.40 and 270,062.40

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Solution

The fourth proportional to 302,721.60, 454,082.40 and 270,062.40 is: 405,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,721.60 : 454,082.40 = 270,062.40 : x
  2. Step 2: Convert to fraction form
    302,721.60/454,082.40 = 270,062.40/x
  3. Step 3: Cross multiply
    302,721.60x = 454,082.40 × 270,062.40
  4. Step 4: Simplify right side
    302,721.60x = 122,630,582,741.76
  5. Step 5: Solve for x
    x = 122,630,582,741.76/302,721.60
  6. Step 6: Final answer
    x = 405,093.60

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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.