Home / 152,629.40-228,965.70-47,437.40

Finding the Fourth Proportional to 152,629.40, 228,965.70 and 47,437.40

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Solution

The fourth proportional to 152,629.40, 228,965.70 and 47,437.40 is: 71,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,629.40 : 228,965.70 = 47,437.40 : x
  2. Step 2: Convert to fraction form
    152,629.40/228,965.70 = 47,437.40/x
  3. Step 3: Cross multiply
    152,629.40x = 228,965.70 × 47,437.40
  4. Step 4: Simplify right side
    152,629.40x = 10,861,537,497.18
  5. Step 5: Solve for x
    x = 10,861,537,497.18/152,629.40
  6. Step 6: Final answer
    x = 71,162.81

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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.