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Finding the Fourth Proportional to 302,794.13, 417,855.90 and 168,658.13

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Solution

The fourth proportional to 302,794.13, 417,855.90 and 168,658.13 is: 232,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,794.13 : 417,855.90 = 168,658.13 : x
  2. Step 2: Convert to fraction form
    302,794.13/417,855.90 = 168,658.13/x
  3. Step 3: Cross multiply
    302,794.13x = 417,855.90 × 168,658.13
  4. Step 4: Simplify right side
    302,794.13x = 70,474,792,614.19
  5. Step 5: Solve for x
    x = 70,474,792,614.19/302,794.13
  6. Step 6: Final answer
    x = 232,748.22

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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.