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Finding the Fourth Proportional to 302,335.32, 417,226.58 and 166,384.92

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Solution

The fourth proportional to 302,335.32, 417,226.58 and 166,384.92 is: 229,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,335.32 : 417,226.58 = 166,384.92 : x
  2. Step 2: Convert to fraction form
    302,335.32/417,226.58 = 166,384.92/x
  3. Step 3: Cross multiply
    302,335.32x = 417,226.58 × 166,384.92
  4. Step 4: Simplify right side
    302,335.32x = 69,420,211,135.17
  5. Step 5: Solve for x
    x = 69,420,211,135.17/302,335.32
  6. Step 6: Final answer
    x = 229,613.30

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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.