Home / 461,518.12-636,903.30-270,669.16

Finding the Fourth Proportional to 461,518.12, 636,903.30 and 270,669.16

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Solution

The fourth proportional to 461,518.12, 636,903.30 and 270,669.16 is: 373,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,518.12 : 636,903.30 = 270,669.16 : x
  2. Step 2: Convert to fraction form
    461,518.12/636,903.30 = 270,669.16/x
  3. Step 3: Cross multiply
    461,518.12x = 636,903.30 × 270,669.16
  4. Step 4: Simplify right side
    461,518.12x = 172,390,081,212.23
  5. Step 5: Solve for x
    x = 172,390,081,212.23/461,518.12
  6. Step 6: Final answer
    x = 373,528.31

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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.