Home / 331,931.12-498,093.54-310,915.42

Finding the Fourth Proportional to 331,931.12, 498,093.54 and 310,915.42

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Solution

The fourth proportional to 331,931.12, 498,093.54 and 310,915.42 is: 466,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,931.12 : 498,093.54 = 310,915.42 : x
  2. Step 2: Convert to fraction form
    331,931.12/498,093.54 = 310,915.42/x
  3. Step 3: Cross multiply
    331,931.12x = 498,093.54 × 310,915.42
  4. Step 4: Simplify right side
    331,931.12x = 154,864,962,188.39
  5. Step 5: Solve for x
    x = 154,864,962,188.39/331,931.12
  6. Step 6: Final answer
    x = 466,557.53

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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.