Home / 152,660.40-228,990.60-40,340.40

Finding the Fourth Proportional to 152,660.40, 228,990.60 and 40,340.40

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Solution

The fourth proportional to 152,660.40, 228,990.60 and 40,340.40 is: 60,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,660.40 : 228,990.60 = 40,340.40 : x
  2. Step 2: Convert to fraction form
    152,660.40/228,990.60 = 40,340.40/x
  3. Step 3: Cross multiply
    152,660.40x = 228,990.60 × 40,340.40
  4. Step 4: Simplify right side
    152,660.40x = 9,237,572,400.24
  5. Step 5: Solve for x
    x = 9,237,572,400.24/152,660.40
  6. Step 6: Final answer
    x = 60,510.60

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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.