Home / 265,128.07-397,632-75,584.23

Finding the Fourth Proportional to 265,128.07, 397,632 and 75,584.23

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Solution

The fourth proportional to 265,128.07, 397,632 and 75,584.23 is: 113,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,128.07 : 397,632 = 75,584.23 : x
  2. Step 2: Convert to fraction form
    265,128.07/397,632 = 75,584.23/x
  3. Step 3: Cross multiply
    265,128.07x = 397,632 × 75,584.23
  4. Step 4: Simplify right side
    265,128.07x = 30,054,708,543.36
  5. Step 5: Solve for x
    x = 30,054,708,543.36/265,128.07
  6. Step 6: Final answer
    x = 113,359.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.