Home / 248,655.60-372,983.40-209,289.60

Finding the Fourth Proportional to 248,655.60, 372,983.40 and 209,289.60

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Solution

The fourth proportional to 248,655.60, 372,983.40 and 209,289.60 is: 313,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,655.60 : 372,983.40 = 209,289.60 : x
  2. Step 2: Convert to fraction form
    248,655.60/372,983.40 = 209,289.60/x
  3. Step 3: Cross multiply
    248,655.60x = 372,983.40 × 209,289.60
  4. Step 4: Simplify right side
    248,655.60x = 78,061,546,592.64
  5. Step 5: Solve for x
    x = 78,061,546,592.64/248,655.60
  6. Step 6: Final answer
    x = 313,934.40

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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.