Home / 482,945.05-666,430.83-268,068.20

Finding the Fourth Proportional to 482,945.05, 666,430.83 and 268,068.20

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Solution

The fourth proportional to 482,945.05, 666,430.83 and 268,068.20 is: 369,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,945.05 : 666,430.83 = 268,068.20 : x
  2. Step 2: Convert to fraction form
    482,945.05/666,430.83 = 268,068.20/x
  3. Step 3: Cross multiply
    482,945.05x = 666,430.83 × 268,068.20
  4. Step 4: Simplify right side
    482,945.05x = 178,648,912,189.57
  5. Step 5: Solve for x
    x = 178,648,912,189.57/482,945.05
  6. Step 6: Final answer
    x = 369,915.61

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1.5x scale

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.