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Finding the Fourth Proportional to 302,844.96, 417,752.64 and 189,470.88

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Solution

The fourth proportional to 302,844.96, 417,752.64 and 189,470.88 is: 261,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,844.96 : 417,752.64 = 189,470.88 : x
  2. Step 2: Convert to fraction form
    302,844.96/417,752.64 = 189,470.88/x
  3. Step 3: Cross multiply
    302,844.96x = 417,752.64 × 189,470.88
  4. Step 4: Simplify right side
    302,844.96x = 79,151,960,323.12
  5. Step 5: Solve for x
    x = 79,151,960,323.12/302,844.96
  6. Step 6: Final answer
    x = 261,361.33

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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.