Home / 212,628.40-318,942.60-62,855.35

Finding the Fourth Proportional to 212,628.40, 318,942.60 and 62,855.35

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Solution

The fourth proportional to 212,628.40, 318,942.60 and 62,855.35 is: 94,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,628.40 : 318,942.60 = 62,855.35 : x
  2. Step 2: Convert to fraction form
    212,628.40/318,942.60 = 62,855.35/x
  3. Step 3: Cross multiply
    212,628.40x = 318,942.60 × 62,855.35
  4. Step 4: Simplify right side
    212,628.40x = 20,047,248,752.91
  5. Step 5: Solve for x
    x = 20,047,248,752.91/212,628.40
  6. Step 6: Final answer
    x = 94,283.03

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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.