Home / 250,918.47-346,333.86-155,370.87

Finding the Fourth Proportional to 250,918.47, 346,333.86 and 155,370.87

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Solution

The fourth proportional to 250,918.47, 346,333.86 and 155,370.87 is: 214,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,918.47 : 346,333.86 = 155,370.87 : x
  2. Step 2: Convert to fraction form
    250,918.47/346,333.86 = 155,370.87/x
  3. Step 3: Cross multiply
    250,918.47x = 346,333.86 × 155,370.87
  4. Step 4: Simplify right side
    250,918.47x = 53,810,193,138.66
  5. Step 5: Solve for x
    x = 53,810,193,138.66/250,918.47
  6. Step 6: Final answer
    x = 214,452.90

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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.