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Finding the Fourth Proportional to 302,690.40, 453,816.90 and 169,611.45

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Solution

The fourth proportional to 302,690.40, 453,816.90 and 169,611.45 is: 254,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,690.40 : 453,816.90 = 169,611.45 : x
  2. Step 2: Convert to fraction form
    302,690.40/453,816.90 = 169,611.45/x
  3. Step 3: Cross multiply
    302,690.40x = 453,816.90 × 169,611.45
  4. Step 4: Simplify right side
    302,690.40x = 76,972,542,443.51
  5. Step 5: Solve for x
    x = 76,972,542,443.51/302,690.40
  6. Step 6: Final answer
    x = 254,294.63

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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.