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Finding the Fourth Proportional to 382,016.40, 573,283.80 and 248,571.60

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Solution

The fourth proportional to 382,016.40, 573,283.80 and 248,571.60 is: 373,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,016.40 : 573,283.80 = 248,571.60 : x
  2. Step 2: Convert to fraction form
    382,016.40/573,283.80 = 248,571.60/x
  3. Step 3: Cross multiply
    382,016.40x = 573,283.80 × 248,571.60
  4. Step 4: Simplify right side
    382,016.40x = 142,502,071,420.08
  5. Step 5: Solve for x
    x = 142,502,071,420.08/382,016.40
  6. Step 6: Final answer
    x = 373,026.06

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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.