Home / 208,434.84-312,652.44-146,382.36

Finding the Fourth Proportional to 208,434.84, 312,652.44 and 146,382.36

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Solution

The fourth proportional to 208,434.84, 312,652.44 and 146,382.36 is: 219,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,434.84 : 312,652.44 = 146,382.36 : x
  2. Step 2: Convert to fraction form
    208,434.84/312,652.44 = 146,382.36/x
  3. Step 3: Cross multiply
    208,434.84x = 312,652.44 × 146,382.36
  4. Step 4: Simplify right side
    208,434.84x = 45,766,802,026.96
  5. Step 5: Solve for x
    x = 45,766,802,026.96/208,434.84
  6. Step 6: Final answer
    x = 219,573.67

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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.