Home / 212,325.68-316,787.50-169,431.32

Finding the Fourth Proportional to 212,325.68, 316,787.50 and 169,431.32

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Solution

The fourth proportional to 212,325.68, 316,787.50 and 169,431.32 is: 252,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,325.68 : 316,787.50 = 169,431.32 : x
  2. Step 2: Convert to fraction form
    212,325.68/316,787.50 = 169,431.32/x
  3. Step 3: Cross multiply
    212,325.68x = 316,787.50 × 169,431.32
  4. Step 4: Simplify right side
    212,325.68x = 53,673,724,284.50
  5. Step 5: Solve for x
    x = 53,673,724,284.50/212,325.68
  6. Step 6: Final answer
    x = 252,789.60

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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.