Home / 247,220.60-370,609.44-128,756.27

Finding the Fourth Proportional to 247,220.60, 370,609.44 and 128,756.27

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Solution

The fourth proportional to 247,220.60, 370,609.44 and 128,756.27 is: 193,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,220.60 : 370,609.44 = 128,756.27 : x
  2. Step 2: Convert to fraction form
    247,220.60/370,609.44 = 128,756.27/x
  3. Step 3: Cross multiply
    247,220.60x = 370,609.44 × 128,756.27
  4. Step 4: Simplify right side
    247,220.60x = 47,718,287,268.14
  5. Step 5: Solve for x
    x = 47,718,287,268.14/247,220.60
  6. Step 6: Final answer
    x = 193,019.06

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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.