Home / 482,911.08-666,416.80-268,050.72

Finding the Fourth Proportional to 482,911.08, 666,416.80 and 268,050.72

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Solution

The fourth proportional to 482,911.08, 666,416.80 and 268,050.72 is: 369,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,911.08 : 666,416.80 = 268,050.72 : x
  2. Step 2: Convert to fraction form
    482,911.08/666,416.80 = 268,050.72/x
  3. Step 3: Cross multiply
    482,911.08x = 666,416.80 × 268,050.72
  4. Step 4: Simplify right side
    482,911.08x = 178,633,503,060.10
  5. Step 5: Solve for x
    x = 178,633,503,060.10/482,911.08
  6. Step 6: Final answer
    x = 369,909.72

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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.