Home / 304,842.12-420,887.43-190,295.16

Finding the Fourth Proportional to 304,842.12, 420,887.43 and 190,295.16

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Solution

The fourth proportional to 304,842.12, 420,887.43 and 190,295.16 is: 262,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,842.12 : 420,887.43 = 190,295.16 : x
  2. Step 2: Convert to fraction form
    304,842.12/420,887.43 = 190,295.16/x
  3. Step 3: Cross multiply
    304,842.12x = 420,887.43 × 190,295.16
  4. Step 4: Simplify right side
    304,842.12x = 80,092,840,833.84
  5. Step 5: Solve for x
    x = 80,092,840,833.84/304,842.12
  6. Step 6: Final answer
    x = 262,735.48

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1.5x scale

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.