Home / 272,968.30-376,697.73-158,314.90

Finding the Fourth Proportional to 272,968.30, 376,697.73 and 158,314.90

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Solution

The fourth proportional to 272,968.30, 376,697.73 and 158,314.90 is: 218,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,968.30 : 376,697.73 = 158,314.90 : x
  2. Step 2: Convert to fraction form
    272,968.30/376,697.73 = 158,314.90/x
  3. Step 3: Cross multiply
    272,968.30x = 376,697.73 × 158,314.90
  4. Step 4: Simplify right side
    272,968.30x = 59,636,863,455.18
  5. Step 5: Solve for x
    x = 59,636,863,455.18/272,968.30
  6. Step 6: Final answer
    x = 218,475.42

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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.