Home / 219,747.34-329,280-152,410.78

Finding the Fourth Proportional to 219,747.34, 329,280 and 152,410.78

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Solution

The fourth proportional to 219,747.34, 329,280 and 152,410.78 is: 228,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,747.34 : 329,280 = 152,410.78 : x
  2. Step 2: Convert to fraction form
    219,747.34/329,280 = 152,410.78/x
  3. Step 3: Cross multiply
    219,747.34x = 329,280 × 152,410.78
  4. Step 4: Simplify right side
    219,747.34x = 50,185,821,638.40
  5. Step 5: Solve for x
    x = 50,185,821,638.40/219,747.34
  6. Step 6: Final answer
    x = 228,379.65

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1.5x scale

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.