Home / 211,544.66-317,317.98-71,304.50

Finding the Fourth Proportional to 211,544.66, 317,317.98 and 71,304.50

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Solution

The fourth proportional to 211,544.66, 317,317.98 and 71,304.50 is: 106,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,544.66 : 317,317.98 = 71,304.50 : x
  2. Step 2: Convert to fraction form
    211,544.66/317,317.98 = 71,304.50/x
  3. Step 3: Cross multiply
    211,544.66x = 317,317.98 × 71,304.50
  4. Step 4: Simplify right side
    211,544.66x = 22,626,199,904.91
  5. Step 5: Solve for x
    x = 22,626,199,904.91/211,544.66
  6. Step 6: Final answer
    x = 106,957.08

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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.