Home / 211,470.96-291,830.27-115,978.24

Finding the Fourth Proportional to 211,470.96, 291,830.27 and 115,978.24

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Solution

The fourth proportional to 211,470.96, 291,830.27 and 115,978.24 is: 160,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,470.96 : 291,830.27 = 115,978.24 : x
  2. Step 2: Convert to fraction form
    211,470.96/291,830.27 = 115,978.24/x
  3. Step 3: Cross multiply
    211,470.96x = 291,830.27 × 115,978.24
  4. Step 4: Simplify right side
    211,470.96x = 33,845,961,093.32
  5. Step 5: Solve for x
    x = 33,845,961,093.32/211,470.96
  6. Step 6: Final answer
    x = 160,050.16

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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.