Home / 388,060.64-582,089.60-121,840.96

Finding the Fourth Proportional to 388,060.64, 582,089.60 and 121,840.96

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Solution

The fourth proportional to 388,060.64, 582,089.60 and 121,840.96 is: 182,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,060.64 : 582,089.60 = 121,840.96 : x
  2. Step 2: Convert to fraction form
    388,060.64/582,089.60 = 121,840.96/x
  3. Step 3: Cross multiply
    388,060.64x = 582,089.60 × 121,840.96
  4. Step 4: Simplify right side
    388,060.64x = 70,922,355,670.02
  5. Step 5: Solve for x
    x = 70,922,355,670.02/388,060.64
  6. Step 6: Final answer
    x = 182,761.01

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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.