Home / 390,121.50-585,182.49-94,633.50

Finding the Fourth Proportional to 390,121.50, 585,182.49 and 94,633.50

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Solution

The fourth proportional to 390,121.50, 585,182.49 and 94,633.50 is: 141,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,121.50 : 585,182.49 = 94,633.50 : x
  2. Step 2: Convert to fraction form
    390,121.50/585,182.49 = 94,633.50/x
  3. Step 3: Cross multiply
    390,121.50x = 585,182.49 × 94,633.50
  4. Step 4: Simplify right side
    390,121.50x = 55,377,867,167.42
  5. Step 5: Solve for x
    x = 55,377,867,167.42/390,121.50
  6. Step 6: Final answer
    x = 141,950.31

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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.