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Finding the Fourth Proportional to 245,665.53, 339,203.22 and 241,741.98

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Solution

The fourth proportional to 245,665.53, 339,203.22 and 241,741.98 is: 333,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,665.53 : 339,203.22 = 241,741.98 : x
  2. Step 2: Convert to fraction form
    245,665.53/339,203.22 = 241,741.98/x
  3. Step 3: Cross multiply
    245,665.53x = 339,203.22 × 241,741.98
  4. Step 4: Simplify right side
    245,665.53x = 81,999,658,025.18
  5. Step 5: Solve for x
    x = 81,999,658,025.18/245,665.53
  6. Step 6: Final answer
    x = 333,785.77

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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.