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Finding the Fourth Proportional to 323,875.30, 485,726.55 and 113,491.30

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Solution

The fourth proportional to 323,875.30, 485,726.55 and 113,491.30 is: 170,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,875.30 : 485,726.55 = 113,491.30 : x
  2. Step 2: Convert to fraction form
    323,875.30/485,726.55 = 113,491.30/x
  3. Step 3: Cross multiply
    323,875.30x = 485,726.55 × 113,491.30
  4. Step 4: Simplify right side
    323,875.30x = 55,125,737,604.02
  5. Step 5: Solve for x
    x = 55,125,737,604.02/323,875.30
  6. Step 6: Final answer
    x = 170,206.67

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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.