Home / 218,155.07-326,898.64-146,813.77

Finding the Fourth Proportional to 218,155.07, 326,898.64 and 146,813.77

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Solution

The fourth proportional to 218,155.07, 326,898.64 and 146,813.77 is: 219,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,155.07 : 326,898.64 = 146,813.77 : x
  2. Step 2: Convert to fraction form
    218,155.07/326,898.64 = 146,813.77/x
  3. Step 3: Cross multiply
    218,155.07x = 326,898.64 × 146,813.77
  4. Step 4: Simplify right side
    218,155.07x = 47,993,219,673.78
  5. Step 5: Solve for x
    x = 47,993,219,673.78/218,155.07
  6. Step 6: Final answer
    x = 219,995.89

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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.