Home / 228,477.08-315,087.66-156,730.52

Finding the Fourth Proportional to 228,477.08, 315,087.66 and 156,730.52

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Solution

The fourth proportional to 228,477.08, 315,087.66 and 156,730.52 is: 216,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,477.08 : 315,087.66 = 156,730.52 : x
  2. Step 2: Convert to fraction form
    228,477.08/315,087.66 = 156,730.52/x
  3. Step 3: Cross multiply
    228,477.08x = 315,087.66 × 156,730.52
  4. Step 4: Simplify right side
    228,477.08x = 49,383,852,797.38
  5. Step 5: Solve for x
    x = 49,383,852,797.38/228,477.08
  6. Step 6: Final answer
    x = 216,143.57

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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.