Home / 297,276.63-445,983.06-128,825.24

Finding the Fourth Proportional to 297,276.63, 445,983.06 and 128,825.24

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Solution

The fourth proportional to 297,276.63, 445,983.06 and 128,825.24 is: 193,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,276.63 : 445,983.06 = 128,825.24 : x
  2. Step 2: Convert to fraction form
    297,276.63/445,983.06 = 128,825.24/x
  3. Step 3: Cross multiply
    297,276.63x = 445,983.06 × 128,825.24
  4. Step 4: Simplify right side
    297,276.63x = 57,453,872,993.61
  5. Step 5: Solve for x
    x = 57,453,872,993.61/297,276.63
  6. Step 6: Final answer
    x = 193,267.37

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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.