Home / 482,947.05-666,433.59-268,070.20

Finding the Fourth Proportional to 482,947.05, 666,433.59 and 268,070.20

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Solution

The fourth proportional to 482,947.05, 666,433.59 and 268,070.20 is: 369,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,947.05 : 666,433.59 = 268,070.20 : x
  2. Step 2: Convert to fraction form
    482,947.05/666,433.59 = 268,070.20/x
  3. Step 3: Cross multiply
    482,947.05x = 666,433.59 × 268,070.20
  4. Step 4: Simplify right side
    482,947.05x = 178,650,985,758.02
  5. Step 5: Solve for x
    x = 178,650,985,758.02/482,947.05
  6. Step 6: Final answer
    x = 369,918.37

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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.