Home / 231,302.60-319,099.84-154,846.32

Finding the Fourth Proportional to 231,302.60, 319,099.84 and 154,846.32

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Solution

The fourth proportional to 231,302.60, 319,099.84 and 154,846.32 is: 213,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,302.60 : 319,099.84 = 154,846.32 : x
  2. Step 2: Convert to fraction form
    231,302.60/319,099.84 = 154,846.32/x
  3. Step 3: Cross multiply
    231,302.60x = 319,099.84 × 154,846.32
  4. Step 4: Simplify right side
    231,302.60x = 49,411,435,549.47
  5. Step 5: Solve for x
    x = 49,411,435,549.47/231,302.60
  6. Step 6: Final answer
    x = 213,622.49

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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.