Home / 211,047.36-291,244.32-115,552.32

Finding the Fourth Proportional to 211,047.36, 291,244.32 and 115,552.32

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Solution

The fourth proportional to 211,047.36, 291,244.32 and 115,552.32 is: 159,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047.36 : 291,244.32 = 115,552.32 : x
  2. Step 2: Convert to fraction form
    211,047.36/291,244.32 = 115,552.32/x
  3. Step 3: Cross multiply
    211,047.36x = 291,244.32 × 115,552.32
  4. Step 4: Simplify right side
    211,047.36x = 33,653,956,862.82
  5. Step 5: Solve for x
    x = 33,653,956,862.82/211,047.36
  6. Step 6: Final answer
    x = 159,461.63

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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.