Home / 152,631.40-228,947.10-40,311.40

Finding the Fourth Proportional to 152,631.40, 228,947.10 and 40,311.40

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Solution

The fourth proportional to 152,631.40, 228,947.10 and 40,311.40 is: 60,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,631.40 : 228,947.10 = 40,311.40 : x
  2. Step 2: Convert to fraction form
    152,631.40/228,947.10 = 40,311.40/x
  3. Step 3: Cross multiply
    152,631.40x = 228,947.10 × 40,311.40
  4. Step 4: Simplify right side
    152,631.40x = 9,229,178,126.94
  5. Step 5: Solve for x
    x = 9,229,178,126.94/152,631.40
  6. Step 6: Final answer
    x = 60,467.10

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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.