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Finding the Fourth Proportional to 300,136.40, 450,058.80 and 166,875.20

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Solution

The fourth proportional to 300,136.40, 450,058.80 and 166,875.20 is: 250,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,136.40 : 450,058.80 = 166,875.20 : x
  2. Step 2: Convert to fraction form
    300,136.40/450,058.80 = 166,875.20/x
  3. Step 3: Cross multiply
    300,136.40x = 450,058.80 × 166,875.20
  4. Step 4: Simplify right side
    300,136.40x = 75,103,652,261.76
  5. Step 5: Solve for x
    x = 75,103,652,261.76/300,136.40
  6. Step 6: Final answer
    x = 250,231.74

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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.