Home / 152,227.20-228,340.80-47,078.40

Finding the Fourth Proportional to 152,227.20, 228,340.80 and 47,078.40

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Solution

The fourth proportional to 152,227.20, 228,340.80 and 47,078.40 is: 70,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,227.20 : 228,340.80 = 47,078.40 : x
  2. Step 2: Convert to fraction form
    152,227.20/228,340.80 = 47,078.40/x
  3. Step 3: Cross multiply
    152,227.20x = 228,340.80 × 47,078.40
  4. Step 4: Simplify right side
    152,227.20x = 10,749,919,518.72
  5. Step 5: Solve for x
    x = 10,749,919,518.72/152,227.20
  6. Step 6: Final answer
    x = 70,617.60

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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.