Home / 371,823.48-512,951.40-220,833

Finding the Fourth Proportional to 371,823.48, 512,951.40 and 220,833

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Solution

The fourth proportional to 371,823.48, 512,951.40 and 220,833 is: 304,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,823.48 : 512,951.40 = 220,833 : x
  2. Step 2: Convert to fraction form
    371,823.48/512,951.40 = 220,833/x
  3. Step 3: Cross multiply
    371,823.48x = 512,951.40 × 220,833
  4. Step 4: Simplify right side
    371,823.48x = 113,276,596,516.20
  5. Step 5: Solve for x
    x = 113,276,596,516.20/371,823.48
  6. Step 6: Final answer
    x = 304,651.54

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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.