Home / 297,261.64-445,892.76-139,490.24

Finding the Fourth Proportional to 297,261.64, 445,892.76 and 139,490.24

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Solution

The fourth proportional to 297,261.64, 445,892.76 and 139,490.24 is: 209,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,261.64 : 445,892.76 = 139,490.24 : x
  2. Step 2: Convert to fraction form
    297,261.64/445,892.76 = 139,490.24/x
  3. Step 3: Cross multiply
    297,261.64x = 445,892.76 × 139,490.24
  4. Step 4: Simplify right side
    297,261.64x = 62,197,689,221.39
  5. Step 5: Solve for x
    x = 62,197,689,221.39/297,261.64
  6. Step 6: Final answer
    x = 209,235.51

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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.