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Finding the Fourth Proportional to 302,952.66, 418,069.10 and 166,987.07

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Solution

The fourth proportional to 302,952.66, 418,069.10 and 166,987.07 is: 230,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,952.66 : 418,069.10 = 166,987.07 : x
  2. Step 2: Convert to fraction form
    302,952.66/418,069.10 = 166,987.07/x
  3. Step 3: Cross multiply
    302,952.66x = 418,069.10 × 166,987.07
  4. Step 4: Simplify right side
    302,952.66x = 69,812,133,022.12
  5. Step 5: Solve for x
    x = 69,812,133,022.12/302,952.66
  6. Step 6: Final answer
    x = 230,439.09

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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.