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Finding the Fourth Proportional to 211,224.95, 316,733.75 and 104,485.58

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Solution

The fourth proportional to 211,224.95, 316,733.75 and 104,485.58 is: 156,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,224.95 : 316,733.75 = 104,485.58 : x
  2. Step 2: Convert to fraction form
    211,224.95/316,733.75 = 104,485.58/x
  3. Step 3: Cross multiply
    211,224.95x = 316,733.75 × 104,485.58
  4. Step 4: Simplify right side
    211,224.95x = 33,094,109,051.90
  5. Step 5: Solve for x
    x = 33,094,109,051.90/211,224.95
  6. Step 6: Final answer
    x = 156,677.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.