Home / 270,235.10-372,961.48-155,511.38

Finding the Fourth Proportional to 270,235.10, 372,961.48 and 155,511.38

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Solution

The fourth proportional to 270,235.10, 372,961.48 and 155,511.38 is: 214,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,235.10 : 372,961.48 = 155,511.38 : x
  2. Step 2: Convert to fraction form
    270,235.10/372,961.48 = 155,511.38/x
  3. Step 3: Cross multiply
    270,235.10x = 372,961.48 × 155,511.38
  4. Step 4: Simplify right side
    270,235.10x = 57,999,754,441.64
  5. Step 5: Solve for x
    x = 57,999,754,441.64/270,235.10
  6. Step 6: Final answer
    x = 214,627.02

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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.