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Finding the Fourth Proportional to 302,069.79, 416,882.87 and 166,127.69

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Solution

The fourth proportional to 302,069.79, 416,882.87 and 166,127.69 is: 229,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,069.79 : 416,882.87 = 166,127.69 : x
  2. Step 2: Convert to fraction form
    302,069.79/416,882.87 = 166,127.69/x
  3. Step 3: Cross multiply
    302,069.79x = 416,882.87 × 166,127.69
  4. Step 4: Simplify right side
    302,069.79x = 69,255,788,193.67
  5. Step 5: Solve for x
    x = 69,255,788,193.67/302,069.79
  6. Step 6: Final answer
    x = 229,270.82

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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.