Home / 359,023.63-538,582.14-131,283.79

Finding the Fourth Proportional to 359,023.63, 538,582.14 and 131,283.79

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Solution

The fourth proportional to 359,023.63, 538,582.14 and 131,283.79 is: 196,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,023.63 : 538,582.14 = 131,283.79 : x
  2. Step 2: Convert to fraction form
    359,023.63/538,582.14 = 131,283.79/x
  3. Step 3: Cross multiply
    359,023.63x = 538,582.14 × 131,283.79
  4. Step 4: Simplify right side
    359,023.63x = 70,707,102,849.82
  5. Step 5: Solve for x
    x = 70,707,102,849.82/359,023.63
  6. Step 6: Final answer
    x = 196,942.75

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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.