Home / 285,836.86-429,012.26-152,830.81

Finding the Fourth Proportional to 285,836.86, 429,012.26 and 152,830.81

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Solution

The fourth proportional to 285,836.86, 429,012.26 and 152,830.81 is: 229,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,836.86 : 429,012.26 = 152,830.81 : x
  2. Step 2: Convert to fraction form
    285,836.86/429,012.26 = 152,830.81/x
  3. Step 3: Cross multiply
    285,836.86x = 429,012.26 × 152,830.81
  4. Step 4: Simplify right side
    285,836.86x = 65,566,291,195.73
  5. Step 5: Solve for x
    x = 65,566,291,195.73/285,836.86
  6. Step 6: Final answer
    x = 229,383.61

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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.