Home / 264,916.20-397,374.30-115,228.20

Finding the Fourth Proportional to 264,916.20, 397,374.30 and 115,228.20

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Solution

The fourth proportional to 264,916.20, 397,374.30 and 115,228.20 is: 172,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,916.20 : 397,374.30 = 115,228.20 : x
  2. Step 2: Convert to fraction form
    264,916.20/397,374.30 = 115,228.20/x
  3. Step 3: Cross multiply
    264,916.20x = 397,374.30 × 115,228.20
  4. Step 4: Simplify right side
    264,916.20x = 45,788,725,315.26
  5. Step 5: Solve for x
    x = 45,788,725,315.26/264,916.20
  6. Step 6: Final answer
    x = 172,842.30

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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.