Home / 152,310.40-228,440.40-51,107.20

Finding the Fourth Proportional to 152,310.40, 228,440.40 and 51,107.20

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Solution

The fourth proportional to 152,310.40, 228,440.40 and 51,107.20 is: 76,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,310.40 : 228,440.40 = 51,107.20 : x
  2. Step 2: Convert to fraction form
    152,310.40/228,440.40 = 51,107.20/x
  3. Step 3: Cross multiply
    152,310.40x = 228,440.40 × 51,107.20
  4. Step 4: Simplify right side
    152,310.40x = 11,674,949,210.88
  5. Step 5: Solve for x
    x = 11,674,949,210.88/152,310.40
  6. Step 6: Final answer
    x = 76,652.34

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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.