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Finding the Fourth Proportional to 192,130.40, 288,238.80 and 59,016.80

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Solution

The fourth proportional to 192,130.40, 288,238.80 and 59,016.80 is: 88,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,130.40 : 288,238.80 = 59,016.80 : x
  2. Step 2: Convert to fraction form
    192,130.40/288,238.80 = 59,016.80/x
  3. Step 3: Cross multiply
    192,130.40x = 288,238.80 × 59,016.80
  4. Step 4: Simplify right side
    192,130.40x = 17,010,931,611.84
  5. Step 5: Solve for x
    x = 17,010,931,611.84/192,130.40
  6. Step 6: Final answer
    x = 88,538.47

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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.