Home / 545,185.31-752,350.14-300,162.33

Finding the Fourth Proportional to 545,185.31, 752,350.14 and 300,162.33

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Solution

The fourth proportional to 545,185.31, 752,350.14 and 300,162.33 is: 414,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,185.31 : 752,350.14 = 300,162.33 : x
  2. Step 2: Convert to fraction form
    545,185.31/752,350.14 = 300,162.33/x
  3. Step 3: Cross multiply
    545,185.31x = 752,350.14 × 300,162.33
  4. Step 4: Simplify right side
    545,185.31x = 225,827,170,998.23
  5. Step 5: Solve for x
    x = 225,827,170,998.23/545,185.31
  6. Step 6: Final answer
    x = 414,220.94

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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.