Home / 211,323.20-317,087.40-92,979.24

Finding the Fourth Proportional to 211,323.20, 317,087.40 and 92,979.24

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Solution

The fourth proportional to 211,323.20, 317,087.40 and 92,979.24 is: 139,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,323.20 : 317,087.40 = 92,979.24 : x
  2. Step 2: Convert to fraction form
    211,323.20/317,087.40 = 92,979.24/x
  3. Step 3: Cross multiply
    211,323.20x = 317,087.40 × 92,979.24
  4. Step 4: Simplify right side
    211,323.20x = 29,482,545,465.58
  5. Step 5: Solve for x
    x = 29,482,545,465.58/211,323.20
  6. Step 6: Final answer
    x = 139,514.00

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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.