Home / 264,869.90-397,296.02-115,110.32

Finding the Fourth Proportional to 264,869.90, 397,296.02 and 115,110.32

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Solution

The fourth proportional to 264,869.90, 397,296.02 and 115,110.32 is: 172,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,869.90 : 397,296.02 = 115,110.32 : x
  2. Step 2: Convert to fraction form
    264,869.90/397,296.02 = 115,110.32/x
  3. Step 3: Cross multiply
    264,869.90x = 397,296.02 × 115,110.32
  4. Step 4: Simplify right side
    264,869.90x = 45,732,870,298.22
  5. Step 5: Solve for x
    x = 45,732,870,298.22/264,869.90
  6. Step 6: Final answer
    x = 172,661.64

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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.