Home / 212,298.10-318,450.34-54,523.06

Finding the Fourth Proportional to 212,298.10, 318,450.34 and 54,523.06

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Solution

The fourth proportional to 212,298.10, 318,450.34 and 54,523.06 is: 81,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,298.10 : 318,450.34 = 54,523.06 : x
  2. Step 2: Convert to fraction form
    212,298.10/318,450.34 = 54,523.06/x
  3. Step 3: Cross multiply
    212,298.10x = 318,450.34 × 54,523.06
  4. Step 4: Simplify right side
    212,298.10x = 17,362,886,994.84
  5. Step 5: Solve for x
    x = 17,362,886,994.84/212,298.10
  6. Step 6: Final answer
    x = 81,785.41

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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.