Home / 228,438.25-315,201.04-147,854.59

Finding the Fourth Proportional to 228,438.25, 315,201.04 and 147,854.59

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Solution

The fourth proportional to 228,438.25, 315,201.04 and 147,854.59 is: 204,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438.25 : 315,201.04 = 147,854.59 : x
  2. Step 2: Convert to fraction form
    228,438.25/315,201.04 = 147,854.59/x
  3. Step 3: Cross multiply
    228,438.25x = 315,201.04 × 147,854.59
  4. Step 4: Simplify right side
    228,438.25x = 46,603,920,536.77
  5. Step 5: Solve for x
    x = 46,603,920,536.77/228,438.25
  6. Step 6: Final answer
    x = 204,011.02

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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.