Home / 366,015.89-505,417.15-230,276.09

Finding the Fourth Proportional to 366,015.89, 505,417.15 and 230,276.09

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Solution

The fourth proportional to 366,015.89, 505,417.15 and 230,276.09 is: 317,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,015.89 : 505,417.15 = 230,276.09 : x
  2. Step 2: Convert to fraction form
    366,015.89/505,417.15 = 230,276.09/x
  3. Step 3: Cross multiply
    366,015.89x = 505,417.15 × 230,276.09
  4. Step 4: Simplify right side
    366,015.89x = 116,385,486,672.33
  5. Step 5: Solve for x
    x = 116,385,486,672.33/366,015.89
  6. Step 6: Final answer
    x = 317,979.33

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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.