Home / 465,392.09-697,442.27-212,053.46

Finding the Fourth Proportional to 465,392.09, 697,442.27 and 212,053.46

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Solution

The fourth proportional to 465,392.09, 697,442.27 and 212,053.46 is: 317,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,392.09 : 697,442.27 = 212,053.46 : x
  2. Step 2: Convert to fraction form
    465,392.09/697,442.27 = 212,053.46/x
  3. Step 3: Cross multiply
    465,392.09x = 697,442.27 × 212,053.46
  4. Step 4: Simplify right side
    465,392.09x = 147,895,041,956.28
  5. Step 5: Solve for x
    x = 147,895,041,956.28/465,392.09
  6. Step 6: Final answer
    x = 317,785.89

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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.