Home / 214,875.12-320,735.40-199,041.24

Finding the Fourth Proportional to 214,875.12, 320,735.40 and 199,041.24

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Solution

The fourth proportional to 214,875.12, 320,735.40 and 199,041.24 is: 297,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,875.12 : 320,735.40 = 199,041.24 : x
  2. Step 2: Convert to fraction form
    214,875.12/320,735.40 = 199,041.24/x
  3. Step 3: Cross multiply
    214,875.12x = 320,735.40 × 199,041.24
  4. Step 4: Simplify right side
    214,875.12x = 63,839,571,727.90
  5. Step 5: Solve for x
    x = 63,839,571,727.90/214,875.12
  6. Step 6: Final answer
    x = 297,100.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.