Home / 211,333.10-317,048.25-69,182.96

Finding the Fourth Proportional to 211,333.10, 317,048.25 and 69,182.96

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Solution

The fourth proportional to 211,333.10, 317,048.25 and 69,182.96 is: 103,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,333.10 : 317,048.25 = 69,182.96 : x
  2. Step 2: Convert to fraction form
    211,333.10/317,048.25 = 69,182.96/x
  3. Step 3: Cross multiply
    211,333.10x = 317,048.25 × 69,182.96
  4. Step 4: Simplify right side
    211,333.10x = 21,934,336,397.82
  5. Step 5: Solve for x
    x = 21,934,336,397.82/211,333.10
  6. Step 6: Final answer
    x = 103,790.35

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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.