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Finding the Fourth Proportional to 302,783.99, 454,269.41 and 113,263.50

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Solution

The fourth proportional to 302,783.99, 454,269.41 and 113,263.50 is: 169,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783.99 : 454,269.41 = 113,263.50 : x
  2. Step 2: Convert to fraction form
    302,783.99/454,269.41 = 113,263.50/x
  3. Step 3: Cross multiply
    302,783.99x = 454,269.41 × 113,263.50
  4. Step 4: Simplify right side
    302,783.99x = 51,452,142,753.22
  5. Step 5: Solve for x
    x = 51,452,142,753.22/302,783.99
  6. Step 6: Final answer
    x = 169,930.20

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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.