Home / 259,627.80-358,289.10-144,917.40

Finding the Fourth Proportional to 259,627.80, 358,289.10 and 144,917.40

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Solution

The fourth proportional to 259,627.80, 358,289.10 and 144,917.40 is: 199,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,627.80 : 358,289.10 = 144,917.40 : x
  2. Step 2: Convert to fraction form
    259,627.80/358,289.10 = 144,917.40/x
  3. Step 3: Cross multiply
    259,627.80x = 358,289.10 × 144,917.40
  4. Step 4: Simplify right side
    259,627.80x = 51,922,324,820.34
  5. Step 5: Solve for x
    x = 51,922,324,820.34/259,627.80
  6. Step 6: Final answer
    x = 199,987.54

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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.