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Finding the Fourth Proportional to 276,232.87, 380,941.54 and 255,615.13

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Solution

The fourth proportional to 276,232.87, 380,941.54 and 255,615.13 is: 352,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,232.87 : 380,941.54 = 255,615.13 : x
  2. Step 2: Convert to fraction form
    276,232.87/380,941.54 = 255,615.13/x
  3. Step 3: Cross multiply
    276,232.87x = 380,941.54 × 255,615.13
  4. Step 4: Simplify right side
    276,232.87x = 97,374,421,269.50
  5. Step 5: Solve for x
    x = 97,374,421,269.50/276,232.87
  6. Step 6: Final answer
    x = 352,508.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.