Home / 279,308.75-385,442.83-151,982.15

Finding the Fourth Proportional to 279,308.75, 385,442.83 and 151,982.15

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Solution

The fourth proportional to 279,308.75, 385,442.83 and 151,982.15 is: 209,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,308.75 : 385,442.83 = 151,982.15 : x
  2. Step 2: Convert to fraction form
    279,308.75/385,442.83 = 151,982.15/x
  3. Step 3: Cross multiply
    279,308.75x = 385,442.83 × 151,982.15
  4. Step 4: Simplify right side
    279,308.75x = 58,580,430,005.48
  5. Step 5: Solve for x
    x = 58,580,430,005.48/279,308.75
  6. Step 6: Final answer
    x = 209,733.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.