Home / 291,784.85-402,655.07-162,727.25

Finding the Fourth Proportional to 291,784.85, 402,655.07 and 162,727.25

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Solution

The fourth proportional to 291,784.85, 402,655.07 and 162,727.25 is: 224,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.85 : 402,655.07 = 162,727.25 : x
  2. Step 2: Convert to fraction form
    291,784.85/402,655.07 = 162,727.25/x
  3. Step 3: Cross multiply
    291,784.85x = 402,655.07 × 162,727.25
  4. Step 4: Simplify right side
    291,784.85x = 65,522,949,412.75
  5. Step 5: Solve for x
    x = 65,522,949,412.75/291,784.85
  6. Step 6: Final answer
    x = 224,559.12

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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.