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Finding the Fourth Proportional to 264,018.38, 364,408.38 and 156,650.72

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Solution

The fourth proportional to 264,018.38, 364,408.38 and 156,650.72 is: 216,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,018.38 : 364,408.38 = 156,650.72 : x
  2. Step 2: Convert to fraction form
    264,018.38/364,408.38 = 156,650.72/x
  3. Step 3: Cross multiply
    264,018.38x = 364,408.38 × 156,650.72
  4. Step 4: Simplify right side
    264,018.38x = 57,084,833,278.99
  5. Step 5: Solve for x
    x = 57,084,833,278.99/264,018.38
  6. Step 6: Final answer
    x = 216,215.38

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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.