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Finding the Fourth Proportional to 243,611.60, 365,417.40 and 159,630.80

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Solution

The fourth proportional to 243,611.60, 365,417.40 and 159,630.80 is: 239,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,611.60 : 365,417.40 = 159,630.80 : x
  2. Step 2: Convert to fraction form
    243,611.60/365,417.40 = 159,630.80/x
  3. Step 3: Cross multiply
    243,611.60x = 365,417.40 × 159,630.80
  4. Step 4: Simplify right side
    243,611.60x = 58,331,871,895.92
  5. Step 5: Solve for x
    x = 58,331,871,895.92/243,611.60
  6. Step 6: Final answer
    x = 239,446.20

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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.