Home / 211,738.64-317,541.02-69,560.56

Finding the Fourth Proportional to 211,738.64, 317,541.02 and 69,560.56

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Solution

The fourth proportional to 211,738.64, 317,541.02 and 69,560.56 is: 104,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,738.64 : 317,541.02 = 69,560.56 : x
  2. Step 2: Convert to fraction form
    211,738.64/317,541.02 = 69,560.56/x
  3. Step 3: Cross multiply
    211,738.64x = 317,541.02 × 69,560.56
  4. Step 4: Simplify right side
    211,738.64x = 22,088,331,174.17
  5. Step 5: Solve for x
    x = 22,088,331,174.17/211,738.64
  6. Step 6: Final answer
    x = 104,318.85

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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.