Home / 369,839.86-510,374.02-206,498.88

Finding the Fourth Proportional to 369,839.86, 510,374.02 and 206,498.88

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Solution

The fourth proportional to 369,839.86, 510,374.02 and 206,498.88 is: 284,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,839.86 : 510,374.02 = 206,498.88 : x
  2. Step 2: Convert to fraction form
    369,839.86/510,374.02 = 206,498.88/x
  3. Step 3: Cross multiply
    369,839.86x = 510,374.02 × 206,498.88
  4. Step 4: Simplify right side
    369,839.86x = 105,391,663,511.10
  5. Step 5: Solve for x
    x = 105,391,663,511.10/369,839.86
  6. Step 6: Final answer
    x = 284,965.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.