Home / 230,003.15-317,399.61-144,009.55

Finding the Fourth Proportional to 230,003.15, 317,399.61 and 144,009.55

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Solution

The fourth proportional to 230,003.15, 317,399.61 and 144,009.55 is: 198,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,003.15 : 317,399.61 = 144,009.55 : x
  2. Step 2: Convert to fraction form
    230,003.15/317,399.61 = 144,009.55/x
  3. Step 3: Cross multiply
    230,003.15x = 317,399.61 × 144,009.55
  4. Step 4: Simplify right side
    230,003.15x = 45,708,574,157.69
  5. Step 5: Solve for x
    x = 45,708,574,157.69/230,003.15
  6. Step 6: Final answer
    x = 198,730.21

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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.