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Finding the Fourth Proportional to 171,495.60, 257,243.40 and 168,215.10

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Solution

The fourth proportional to 171,495.60, 257,243.40 and 168,215.10 is: 252,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,495.60 : 257,243.40 = 168,215.10 : x
  2. Step 2: Convert to fraction form
    171,495.60/257,243.40 = 168,215.10/x
  3. Step 3: Cross multiply
    171,495.60x = 257,243.40 × 168,215.10
  4. Step 4: Simplify right side
    171,495.60x = 43,272,224,255.34
  5. Step 5: Solve for x
    x = 43,272,224,255.34/171,495.60
  6. Step 6: Final answer
    x = 252,322.65

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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.