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Finding the Fourth Proportional to 306,841.76, 460,108.70 and 178,799.52

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Solution

The fourth proportional to 306,841.76, 460,108.70 and 178,799.52 is: 268,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,841.76 : 460,108.70 = 178,799.52 : x
  2. Step 2: Convert to fraction form
    306,841.76/460,108.70 = 178,799.52/x
  3. Step 3: Cross multiply
    306,841.76x = 460,108.70 × 178,799.52
  4. Step 4: Simplify right side
    306,841.76x = 82,267,213,813.83
  5. Step 5: Solve for x
    x = 82,267,213,813.83/306,841.76
  6. Step 6: Final answer
    x = 268,109.58

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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.