Home / 508,289.45-762,306.19-208,852.70

Finding the Fourth Proportional to 508,289.45, 762,306.19 and 208,852.70

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Solution

The fourth proportional to 508,289.45, 762,306.19 and 208,852.70 is: 313,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,289.45 : 762,306.19 = 208,852.70 : x
  2. Step 2: Convert to fraction form
    508,289.45/762,306.19 = 208,852.70/x
  3. Step 3: Cross multiply
    508,289.45x = 762,306.19 × 208,852.70
  4. Step 4: Simplify right side
    508,289.45x = 159,209,701,674.55
  5. Step 5: Solve for x
    x = 159,209,701,674.55/508,289.45
  6. Step 6: Final answer
    x = 313,226.46

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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.