Home / 380,419.31-524,888.51-225,292.28

Finding the Fourth Proportional to 380,419.31, 524,888.51 and 225,292.28

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Solution

The fourth proportional to 380,419.31, 524,888.51 and 225,292.28 is: 310,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,419.31 : 524,888.51 = 225,292.28 : x
  2. Step 2: Convert to fraction form
    380,419.31/524,888.51 = 225,292.28/x
  3. Step 3: Cross multiply
    380,419.31x = 524,888.51 × 225,292.28
  4. Step 4: Simplify right side
    380,419.31x = 118,253,325,412.80
  5. Step 5: Solve for x
    x = 118,253,325,412.80/380,419.31
  6. Step 6: Final answer
    x = 310,849.96

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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.