Home / 397,037.15-595,427.69-130,734.35

Finding the Fourth Proportional to 397,037.15, 595,427.69 and 130,734.35

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Solution

The fourth proportional to 397,037.15, 595,427.69 and 130,734.35 is: 196,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,037.15 : 595,427.69 = 130,734.35 : x
  2. Step 2: Convert to fraction form
    397,037.15/595,427.69 = 130,734.35/x
  3. Step 3: Cross multiply
    397,037.15x = 595,427.69 × 130,734.35
  4. Step 4: Simplify right side
    397,037.15x = 77,842,851,370.48
  5. Step 5: Solve for x
    x = 77,842,851,370.48/397,037.15
  6. Step 6: Final answer
    x = 196,059.36

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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.