Home / 335,890.75-503,837.95-86,572.75

Finding the Fourth Proportional to 335,890.75, 503,837.95 and 86,572.75

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Solution

The fourth proportional to 335,890.75, 503,837.95 and 86,572.75 is: 129,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,890.75 : 503,837.95 = 86,572.75 : x
  2. Step 2: Convert to fraction form
    335,890.75/503,837.95 = 86,572.75/x
  3. Step 3: Cross multiply
    335,890.75x = 503,837.95 × 86,572.75
  4. Step 4: Simplify right side
    335,890.75x = 43,618,636,885.86
  5. Step 5: Solve for x
    x = 43,618,636,885.86/335,890.75
  6. Step 6: Final answer
    x = 129,859.60

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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.