Home / 388,266.18-582,399.09-107,783.34

Finding the Fourth Proportional to 388,266.18, 582,399.09 and 107,783.34

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Solution

The fourth proportional to 388,266.18, 582,399.09 and 107,783.34 is: 161,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,266.18 : 582,399.09 = 107,783.34 : x
  2. Step 2: Convert to fraction form
    388,266.18/582,399.09 = 107,783.34/x
  3. Step 3: Cross multiply
    388,266.18x = 582,399.09 × 107,783.34
  4. Step 4: Simplify right side
    388,266.18x = 62,772,919,133.16
  5. Step 5: Solve for x
    x = 62,772,919,133.16/388,266.18
  6. Step 6: Final answer
    x = 161,674.96

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1.5x scale

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.