Home / 216,280.84-322,422.05-212,872.36

Finding the Fourth Proportional to 216,280.84, 322,422.05 and 212,872.36

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Solution

The fourth proportional to 216,280.84, 322,422.05 and 212,872.36 is: 317,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,280.84 : 322,422.05 = 212,872.36 : x
  2. Step 2: Convert to fraction form
    216,280.84/322,422.05 = 212,872.36/x
  3. Step 3: Cross multiply
    216,280.84x = 322,422.05 × 212,872.36
  4. Step 4: Simplify right side
    216,280.84x = 68,634,742,699.54
  5. Step 5: Solve for x
    x = 68,634,742,699.54/216,280.84
  6. Step 6: Final answer
    x = 317,340.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.