Home / 218,146.14-326,885.20-146,804.30

Finding the Fourth Proportional to 218,146.14, 326,885.20 and 146,804.30

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Solution

The fourth proportional to 218,146.14, 326,885.20 and 146,804.30 is: 219,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,146.14 : 326,885.20 = 146,804.30 : x
  2. Step 2: Convert to fraction form
    218,146.14/326,885.20 = 146,804.30/x
  3. Step 3: Cross multiply
    218,146.14x = 326,885.20 × 146,804.30
  4. Step 4: Simplify right side
    218,146.14x = 47,988,152,966.36
  5. Step 5: Solve for x
    x = 47,988,152,966.36/218,146.14
  6. Step 6: Final answer
    x = 219,981.67

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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.