Home / 217,535.02-326,365.71-77,304.58

Finding the Fourth Proportional to 217,535.02, 326,365.71 and 77,304.58

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Solution

The fourth proportional to 217,535.02, 326,365.71 and 77,304.58 is: 115,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,535.02 : 326,365.71 = 77,304.58 : x
  2. Step 2: Convert to fraction form
    217,535.02/326,365.71 = 77,304.58/x
  3. Step 3: Cross multiply
    217,535.02x = 326,365.71 × 77,304.58
  4. Step 4: Simplify right side
    217,535.02x = 25,229,564,137.95
  5. Step 5: Solve for x
    x = 25,229,564,137.95/217,535.02
  6. Step 6: Final answer
    x = 115,979.32

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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.