Home / 303,747.10-455,511.30-153,937.60

Finding the Fourth Proportional to 303,747.10, 455,511.30 and 153,937.60

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Solution

The fourth proportional to 303,747.10, 455,511.30 and 153,937.60 is: 230,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,747.10 : 455,511.30 = 153,937.60 : x
  2. Step 2: Convert to fraction form
    303,747.10/455,511.30 = 153,937.60/x
  3. Step 3: Cross multiply
    303,747.10x = 455,511.30 × 153,937.60
  4. Step 4: Simplify right side
    303,747.10x = 70,120,316,294.88
  5. Step 5: Solve for x
    x = 70,120,316,294.88/303,747.10
  6. Step 6: Final answer
    x = 230,850.98

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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.