Home / 399,204.12-598,947.84-249,270.60

Finding the Fourth Proportional to 399,204.12, 598,947.84 and 249,270.60

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Solution

The fourth proportional to 399,204.12, 598,947.84 and 249,270.60 is: 373,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,204.12 : 598,947.84 = 249,270.60 : x
  2. Step 2: Convert to fraction form
    399,204.12/598,947.84 = 249,270.60/x
  3. Step 3: Cross multiply
    399,204.12x = 598,947.84 × 249,270.60
  4. Step 4: Simplify right side
    399,204.12x = 149,300,087,445.50
  5. Step 5: Solve for x
    x = 149,300,087,445.50/399,204.12
  6. Step 6: Final answer
    x = 373,994.36

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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.