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Finding the Fourth Proportional to 265,327.33, 397,994.06 and 113,503.76

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Solution

The fourth proportional to 265,327.33, 397,994.06 and 113,503.76 is: 170,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,327.33 : 397,994.06 = 113,503.76 : x
  2. Step 2: Convert to fraction form
    265,327.33/397,994.06 = 113,503.76/x
  3. Step 3: Cross multiply
    265,327.33x = 397,994.06 × 113,503.76
  4. Step 4: Simplify right side
    265,327.33x = 45,173,822,267.67
  5. Step 5: Solve for x
    x = 45,173,822,267.67/265,327.33
  6. Step 6: Final answer
    x = 170,256.95

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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.