Home / 312,846.13-432,084.06-212,069.17

Finding the Fourth Proportional to 312,846.13, 432,084.06 and 212,069.17

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Solution

The fourth proportional to 312,846.13, 432,084.06 and 212,069.17 is: 292,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,846.13 : 432,084.06 = 212,069.17 : x
  2. Step 2: Convert to fraction form
    312,846.13/432,084.06 = 212,069.17/x
  3. Step 3: Cross multiply
    312,846.13x = 432,084.06 × 212,069.17
  4. Step 4: Simplify right side
    312,846.13x = 91,631,704,753.66
  5. Step 5: Solve for x
    x = 91,631,704,753.66/312,846.13
  6. Step 6: Final answer
    x = 292,897.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.