Home / 239,211.45-358,817.18-208,107.45

Finding the Fourth Proportional to 239,211.45, 358,817.18 and 208,107.45

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Solution

The fourth proportional to 239,211.45, 358,817.18 and 208,107.45 is: 312,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,211.45 : 358,817.18 = 208,107.45 : x
  2. Step 2: Convert to fraction form
    239,211.45/358,817.18 = 208,107.45/x
  3. Step 3: Cross multiply
    239,211.45x = 358,817.18 × 208,107.45
  4. Step 4: Simplify right side
    239,211.45x = 74,672,527,305.45
  5. Step 5: Solve for x
    x = 74,672,527,305.45/239,211.45
  6. Step 6: Final answer
    x = 312,161.18

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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.