Home / 211,466.14-317,265.02-69,312.66

Finding the Fourth Proportional to 211,466.14, 317,265.02 and 69,312.66

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Solution

The fourth proportional to 211,466.14, 317,265.02 and 69,312.66 is: 103,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,466.14 : 317,265.02 = 69,312.66 : x
  2. Step 2: Convert to fraction form
    211,466.14/317,265.02 = 69,312.66/x
  3. Step 3: Cross multiply
    211,466.14x = 317,265.02 × 69,312.66
  4. Step 4: Simplify right side
    211,466.14x = 21,990,482,461.15
  5. Step 5: Solve for x
    x = 21,990,482,461.15/211,466.14
  6. Step 6: Final answer
    x = 103,990.56

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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.