Home / 380,091.30-524,504.26-210,315.30

Finding the Fourth Proportional to 380,091.30, 524,504.26 and 210,315.30

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Solution

The fourth proportional to 380,091.30, 524,504.26 and 210,315.30 is: 290,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,091.30 : 524,504.26 = 210,315.30 : x
  2. Step 2: Convert to fraction form
    380,091.30/524,504.26 = 210,315.30/x
  3. Step 3: Cross multiply
    380,091.30x = 524,504.26 × 210,315.30
  4. Step 4: Simplify right side
    380,091.30x = 110,311,270,793.18
  5. Step 5: Solve for x
    x = 110,311,270,793.18/380,091.30
  6. Step 6: Final answer
    x = 290,223.09

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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.