Home / 217,337.63-326,036.87-205,385.63

Finding the Fourth Proportional to 217,337.63, 326,036.87 and 205,385.63

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Solution

The fourth proportional to 217,337.63, 326,036.87 and 205,385.63 is: 308,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,337.63 : 326,036.87 = 205,385.63 : x
  2. Step 2: Convert to fraction form
    217,337.63/326,036.87 = 205,385.63/x
  3. Step 3: Cross multiply
    217,337.63x = 326,036.87 × 205,385.63
  4. Step 4: Simplify right side
    217,337.63x = 66,963,285,291.07
  5. Step 5: Solve for x
    x = 66,963,285,291.07/217,337.63
  6. Step 6: Final answer
    x = 308,107.19

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1.5x scale

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.