Home / 465,388.71-697,437.20-212,050.07

Finding the Fourth Proportional to 465,388.71, 697,437.20 and 212,050.07

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Solution

The fourth proportional to 465,388.71, 697,437.20 and 212,050.07 is: 317,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,388.71 : 697,437.20 = 212,050.07 : x
  2. Step 2: Convert to fraction form
    465,388.71/697,437.20 = 212,050.07/x
  3. Step 3: Cross multiply
    465,388.71x = 697,437.20 × 212,050.07
  4. Step 4: Simplify right side
    465,388.71x = 147,891,606,738.93
  5. Step 5: Solve for x
    x = 147,891,606,738.93/465,388.71
  6. Step 6: Final answer
    x = 317,780.82

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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.