Home / 314,935.79-472,306.79-90,236.02

Finding the Fourth Proportional to 314,935.79, 472,306.79 and 90,236.02

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Solution

The fourth proportional to 314,935.79, 472,306.79 and 90,236.02 is: 135,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935.79 : 472,306.79 = 90,236.02 : x
  2. Step 2: Convert to fraction form
    314,935.79/472,306.79 = 90,236.02/x
  3. Step 3: Cross multiply
    314,935.79x = 472,306.79 × 90,236.02
  4. Step 4: Simplify right side
    314,935.79x = 42,619,085,764.55
  5. Step 5: Solve for x
    x = 42,619,085,764.55/314,935.79
  6. Step 6: Final answer
    x = 135,326.27

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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.