Home / 212,434.45-318,541.92-62,655.67

Finding the Fourth Proportional to 212,434.45, 318,541.92 and 62,655.67

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Solution

The fourth proportional to 212,434.45, 318,541.92 and 62,655.67 is: 93,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,434.45 : 318,541.92 = 62,655.67 : x
  2. Step 2: Convert to fraction form
    212,434.45/318,541.92 = 62,655.67/x
  3. Step 3: Cross multiply
    212,434.45x = 318,541.92 × 62,655.67
  4. Step 4: Simplify right side
    212,434.45x = 19,958,457,420.69
  5. Step 5: Solve for x
    x = 19,958,457,420.69/212,434.45
  6. Step 6: Final answer
    x = 93,951.13

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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.