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Finding the Fourth Proportional to 346,137.59, 477,676.10 and 203,000.87

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Solution

The fourth proportional to 346,137.59, 477,676.10 and 203,000.87 is: 280,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,137.59 : 477,676.10 = 203,000.87 : x
  2. Step 2: Convert to fraction form
    346,137.59/477,676.10 = 203,000.87/x
  3. Step 3: Cross multiply
    346,137.59x = 477,676.10 × 203,000.87
  4. Step 4: Simplify right side
    346,137.59x = 96,968,663,878.21
  5. Step 5: Solve for x
    x = 96,968,663,878.21/346,137.59
  6. Step 6: Final answer
    x = 280,144.85

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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.