Home / 482,865.18-666,322.65-268,005.30

Finding the Fourth Proportional to 482,865.18, 666,322.65 and 268,005.30

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Solution

The fourth proportional to 482,865.18, 666,322.65 and 268,005.30 is: 369,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,865.18 : 666,322.65 = 268,005.30 : x
  2. Step 2: Convert to fraction form
    482,865.18/666,322.65 = 268,005.30/x
  3. Step 3: Cross multiply
    482,865.18x = 666,322.65 × 268,005.30
  4. Step 4: Simplify right side
    482,865.18x = 178,578,001,710.05
  5. Step 5: Solve for x
    x = 178,578,001,710.05/482,865.18
  6. Step 6: Final answer
    x = 369,829.94

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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.