Home / 209,333.20-313,999.80-207,364.90

Finding the Fourth Proportional to 209,333.20, 313,999.80 and 207,364.90

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Solution

The fourth proportional to 209,333.20, 313,999.80 and 207,364.90 is: 311,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,333.20 : 313,999.80 = 207,364.90 : x
  2. Step 2: Convert to fraction form
    209,333.20/313,999.80 = 207,364.90/x
  3. Step 3: Cross multiply
    209,333.20x = 313,999.80 × 207,364.90
  4. Step 4: Simplify right side
    209,333.20x = 65,112,537,127.02
  5. Step 5: Solve for x
    x = 65,112,537,127.02/209,333.20
  6. Step 6: Final answer
    x = 311,047.35

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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.