Home / 247,826.72-342,050.64-147,205.28

Finding the Fourth Proportional to 247,826.72, 342,050.64 and 147,205.28

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Solution

The fourth proportional to 247,826.72, 342,050.64 and 147,205.28 is: 203,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,826.72 : 342,050.64 = 147,205.28 : x
  2. Step 2: Convert to fraction form
    247,826.72/342,050.64 = 147,205.28/x
  3. Step 3: Cross multiply
    247,826.72x = 342,050.64 × 147,205.28
  4. Step 4: Simplify right side
    247,826.72x = 50,351,660,235.38
  5. Step 5: Solve for x
    x = 50,351,660,235.38/247,826.72
  6. Step 6: Final answer
    x = 203,172.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.