Home / 373,905.16-515,986.40-204,139.29

Finding the Fourth Proportional to 373,905.16, 515,986.40 and 204,139.29

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Solution

The fourth proportional to 373,905.16, 515,986.40 and 204,139.29 is: 281,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,905.16 : 515,986.40 = 204,139.29 : x
  2. Step 2: Convert to fraction form
    373,905.16/515,986.40 = 204,139.29/x
  3. Step 3: Cross multiply
    373,905.16x = 515,986.40 × 204,139.29
  4. Step 4: Simplify right side
    373,905.16x = 105,333,096,888.53
  5. Step 5: Solve for x
    x = 105,333,096,888.53/373,905.16
  6. Step 6: Final answer
    x = 281,710.73

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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.