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Finding the Fourth Proportional to 302,677.80, 454,016.70 and 270,018.60

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Solution

The fourth proportional to 302,677.80, 454,016.70 and 270,018.60 is: 405,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,677.80 : 454,016.70 = 270,018.60 : x
  2. Step 2: Convert to fraction form
    302,677.80/454,016.70 = 270,018.60/x
  3. Step 3: Cross multiply
    302,677.80x = 454,016.70 × 270,018.60
  4. Step 4: Simplify right side
    302,677.80x = 122,592,953,710.62
  5. Step 5: Solve for x
    x = 122,592,953,710.62/302,677.80
  6. Step 6: Final answer
    x = 405,027.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.