Home / 208,484.32-312,725.94-146,431.84

Finding the Fourth Proportional to 208,484.32, 312,725.94 and 146,431.84

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Solution

The fourth proportional to 208,484.32, 312,725.94 and 146,431.84 is: 219,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,484.32 : 312,725.94 = 146,431.84 : x
  2. Step 2: Convert to fraction form
    208,484.32/312,725.94 = 146,431.84/x
  3. Step 3: Cross multiply
    208,484.32x = 312,725.94 × 146,431.84
  4. Step 4: Simplify right side
    208,484.32x = 45,793,034,809.93
  5. Step 5: Solve for x
    x = 45,793,034,809.93/208,484.32
  6. Step 6: Final answer
    x = 219,647.38

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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.