Home / 388,254.06-582,381.50-122,037.84

Finding the Fourth Proportional to 388,254.06, 582,381.50 and 122,037.84

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Solution

The fourth proportional to 388,254.06, 582,381.50 and 122,037.84 is: 183,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,254.06 : 582,381.50 = 122,037.84 : x
  2. Step 2: Convert to fraction form
    388,254.06/582,381.50 = 122,037.84/x
  3. Step 3: Cross multiply
    388,254.06x = 582,381.50 × 122,037.84
  4. Step 4: Simplify right side
    388,254.06x = 71,072,579,705.77
  5. Step 5: Solve for x
    x = 71,072,579,705.77/388,254.06
  6. Step 6: Final answer
    x = 183,056.89

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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.