Home / 207,322.24-310,485.02-118,305.86

Finding the Fourth Proportional to 207,322.24, 310,485.02 and 118,305.86

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Solution

The fourth proportional to 207,322.24, 310,485.02 and 118,305.86 is: 177,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,322.24 : 310,485.02 = 118,305.86 : x
  2. Step 2: Convert to fraction form
    207,322.24/310,485.02 = 118,305.86/x
  3. Step 3: Cross multiply
    207,322.24x = 310,485.02 × 118,305.86
  4. Step 4: Simplify right side
    207,322.24x = 36,732,197,308.22
  5. Step 5: Solve for x
    x = 36,732,197,308.22/207,322.24
  6. Step 6: Final answer
    x = 177,174.42

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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.