Home / 211,402.28-291,733.06-115,908.74

Finding the Fourth Proportional to 211,402.28, 291,733.06 and 115,908.74

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Solution

The fourth proportional to 211,402.28, 291,733.06 and 115,908.74 is: 159,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,402.28 : 291,733.06 = 115,908.74 : x
  2. Step 2: Convert to fraction form
    211,402.28/291,733.06 = 115,908.74/x
  3. Step 3: Cross multiply
    211,402.28x = 291,733.06 × 115,908.74
  4. Step 4: Simplify right side
    211,402.28x = 33,814,411,400.94
  5. Step 5: Solve for x
    x = 33,814,411,400.94/211,402.28
  6. Step 6: Final answer
    x = 159,952.92

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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.