Home / 380,741.94-525,357.27-217,323.84

Finding the Fourth Proportional to 380,741.94, 525,357.27 and 217,323.84

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Solution

The fourth proportional to 380,741.94, 525,357.27 and 217,323.84 is: 299,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,741.94 : 525,357.27 = 217,323.84 : x
  2. Step 2: Convert to fraction form
    380,741.94/525,357.27 = 217,323.84/x
  3. Step 3: Cross multiply
    380,741.94x = 525,357.27 × 217,323.84
  4. Step 4: Simplify right side
    380,741.94x = 114,172,659,288.32
  5. Step 5: Solve for x
    x = 114,172,659,288.32/380,741.94
  6. Step 6: Final answer
    x = 299,868.88

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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.