Home / 152,440.80-228,661.20-47,270.40

Finding the Fourth Proportional to 152,440.80, 228,661.20 and 47,270.40

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Solution

The fourth proportional to 152,440.80, 228,661.20 and 47,270.40 is: 70,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,440.80 : 228,661.20 = 47,270.40 : x
  2. Step 2: Convert to fraction form
    152,440.80/228,661.20 = 47,270.40/x
  3. Step 3: Cross multiply
    152,440.80x = 228,661.20 × 47,270.40
  4. Step 4: Simplify right side
    152,440.80x = 10,808,906,388.48
  5. Step 5: Solve for x
    x = 10,808,906,388.48/152,440.80
  6. Step 6: Final answer
    x = 70,905.60

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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.