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Finding the Fourth Proportional to 635,495.63, 953,242.56 and 162,180.97

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Solution

The fourth proportional to 635,495.63, 953,242.56 and 162,180.97 is: 243,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,495.63 : 953,242.56 = 162,180.97 : x
  2. Step 2: Convert to fraction form
    635,495.63/953,242.56 = 162,180.97/x
  3. Step 3: Cross multiply
    635,495.63x = 953,242.56 × 162,180.97
  4. Step 4: Simplify right side
    635,495.63x = 154,597,800,642.98
  5. Step 5: Solve for x
    x = 154,597,800,642.98/635,495.63
  6. Step 6: Final answer
    x = 243,271.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.