Home / 452,453.64-678,568.32-152,927.61

Finding the Fourth Proportional to 452,453.64, 678,568.32 and 152,927.61

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Solution

The fourth proportional to 452,453.64, 678,568.32 and 152,927.61 is: 229,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,453.64 : 678,568.32 = 152,927.61 : x
  2. Step 2: Convert to fraction form
    452,453.64/678,568.32 = 152,927.61/x
  3. Step 3: Cross multiply
    452,453.64x = 678,568.32 × 152,927.61
  4. Step 4: Simplify right side
    452,453.64x = 103,771,831,399.32
  5. Step 5: Solve for x
    x = 103,771,831,399.32/452,453.64
  6. Step 6: Final answer
    x = 229,353.51

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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.