Home / 427,982.40-590,608.80-236,995.20

Finding the Fourth Proportional to 427,982.40, 590,608.80 and 236,995.20

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Solution

The fourth proportional to 427,982.40, 590,608.80 and 236,995.20 is: 327,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,982.40 : 590,608.80 = 236,995.20 : x
  2. Step 2: Convert to fraction form
    427,982.40/590,608.80 = 236,995.20/x
  3. Step 3: Cross multiply
    427,982.40x = 590,608.80 × 236,995.20
  4. Step 4: Simplify right side
    427,982.40x = 139,971,450,677.76
  5. Step 5: Solve for x
    x = 139,971,450,677.76/427,982.40
  6. Step 6: Final answer
    x = 327,049.55

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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.