Home / 578,215.60-867,406.02-178,890.46

Finding the Fourth Proportional to 578,215.60, 867,406.02 and 178,890.46

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Solution

The fourth proportional to 578,215.60, 867,406.02 and 178,890.46 is: 268,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,215.60 : 867,406.02 = 178,890.46 : x
  2. Step 2: Convert to fraction form
    578,215.60/867,406.02 = 178,890.46/x
  3. Step 3: Cross multiply
    578,215.60x = 867,406.02 × 178,890.46
  4. Step 4: Simplify right side
    578,215.60x = 155,170,661,924.57
  5. Step 5: Solve for x
    x = 155,170,661,924.57/578,215.60
  6. Step 6: Final answer
    x = 268,361.25

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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.