Home / 257,619.48-355,447.62-148,697.16

Finding the Fourth Proportional to 257,619.48, 355,447.62 and 148,697.16

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Solution

The fourth proportional to 257,619.48, 355,447.62 and 148,697.16 is: 205,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,619.48 : 355,447.62 = 148,697.16 : x
  2. Step 2: Convert to fraction form
    257,619.48/355,447.62 = 148,697.16/x
  3. Step 3: Cross multiply
    257,619.48x = 355,447.62 × 148,697.16
  4. Step 4: Simplify right side
    257,619.48x = 52,854,051,622.76
  5. Step 5: Solve for x
    x = 52,854,051,622.76/257,619.48
  6. Step 6: Final answer
    x = 205,163.26

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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.