Home / 291,268.51-402,074.93-195,830.56

Finding the Fourth Proportional to 291,268.51, 402,074.93 and 195,830.56

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Solution

The fourth proportional to 291,268.51, 402,074.93 and 195,830.56 is: 270,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,268.51 : 402,074.93 = 195,830.56 : x
  2. Step 2: Convert to fraction form
    291,268.51/402,074.93 = 195,830.56/x
  3. Step 3: Cross multiply
    291,268.51x = 402,074.93 × 195,830.56
  4. Step 4: Simplify right side
    291,268.51x = 78,738,558,703.86
  5. Step 5: Solve for x
    x = 78,738,558,703.86/291,268.51
  6. Step 6: Final answer
    x = 270,329.80

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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.