Home / 217,598.98-300,316.44-122,111.32

Finding the Fourth Proportional to 217,598.98, 300,316.44 and 122,111.32

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Solution

The fourth proportional to 217,598.98, 300,316.44 and 122,111.32 is: 168,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,598.98 : 300,316.44 = 122,111.32 : x
  2. Step 2: Convert to fraction form
    217,598.98/300,316.44 = 122,111.32/x
  3. Step 3: Cross multiply
    217,598.98x = 300,316.44 × 122,111.32
  4. Step 4: Simplify right side
    217,598.98x = 36,672,036,906.10
  5. Step 5: Solve for x
    x = 36,672,036,906.10/217,598.98
  6. Step 6: Final answer
    x = 168,530.37

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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.