Home / 325,985.93-488,884.03-126,261.77

Finding the Fourth Proportional to 325,985.93, 488,884.03 and 126,261.77

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Solution

The fourth proportional to 325,985.93, 488,884.03 and 126,261.77 is: 189,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,985.93 : 488,884.03 = 126,261.77 : x
  2. Step 2: Convert to fraction form
    325,985.93/488,884.03 = 126,261.77/x
  3. Step 3: Cross multiply
    325,985.93x = 488,884.03 × 126,261.77
  4. Step 4: Simplify right side
    325,985.93x = 61,727,362,952.53
  5. Step 5: Solve for x
    x = 61,727,362,952.53/325,985.93
  6. Step 6: Final answer
    x = 189,355.91

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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.