Home / 319,200.48-477,388.98-283,909.41

Finding the Fourth Proportional to 319,200.48, 477,388.98 and 283,909.41

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Solution

The fourth proportional to 319,200.48, 477,388.98 and 283,909.41 is: 424,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200.48 : 477,388.98 = 283,909.41 : x
  2. Step 2: Convert to fraction form
    319,200.48/477,388.98 = 283,909.41/x
  3. Step 3: Cross multiply
    319,200.48x = 477,388.98 × 283,909.41
  4. Step 4: Simplify right side
    319,200.48x = 135,535,223,652.30
  5. Step 5: Solve for x
    x = 135,535,223,652.30/319,200.48
  6. Step 6: Final answer
    x = 424,608.46

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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.