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Finding the Fourth Proportional to 302,560.70, 453,841.05 and 208,082.30

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Solution

The fourth proportional to 302,560.70, 453,841.05 and 208,082.30 is: 312,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,560.70 : 453,841.05 = 208,082.30 : x
  2. Step 2: Convert to fraction form
    302,560.70/453,841.05 = 208,082.30/x
  3. Step 3: Cross multiply
    302,560.70x = 453,841.05 × 208,082.30
  4. Step 4: Simplify right side
    302,560.70x = 94,436,289,518.42
  5. Step 5: Solve for x
    x = 94,436,289,518.42/302,560.70
  6. Step 6: Final answer
    x = 312,123.45

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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.