Home / 212,423.56-318,604.58-62,656.45

Finding the Fourth Proportional to 212,423.56, 318,604.58 and 62,656.45

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Solution

The fourth proportional to 212,423.56, 318,604.58 and 62,656.45 is: 93,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,423.56 : 318,604.58 = 62,656.45 : x
  2. Step 2: Convert to fraction form
    212,423.56/318,604.58 = 62,656.45/x
  3. Step 3: Cross multiply
    212,423.56x = 318,604.58 × 62,656.45
  4. Step 4: Simplify right side
    212,423.56x = 19,962,630,343.52
  5. Step 5: Solve for x
    x = 19,962,630,343.52/212,423.56
  6. Step 6: Final answer
    x = 93,975.60

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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.