Home / 384,610.06-576,915.52-100,300.36

Finding the Fourth Proportional to 384,610.06, 576,915.52 and 100,300.36

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Solution

The fourth proportional to 384,610.06, 576,915.52 and 100,300.36 is: 150,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,610.06 : 576,915.52 = 100,300.36 : x
  2. Step 2: Convert to fraction form
    384,610.06/576,915.52 = 100,300.36/x
  3. Step 3: Cross multiply
    384,610.06x = 576,915.52 × 100,300.36
  4. Step 4: Simplify right side
    384,610.06x = 57,864,834,345.59
  5. Step 5: Solve for x
    x = 57,864,834,345.59/384,610.06
  6. Step 6: Final answer
    x = 150,450.65

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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.