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Finding the Fourth Proportional to 276,004.40, 413,860.80 and 118,054.40

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Solution

The fourth proportional to 276,004.40, 413,860.80 and 118,054.40 is: 177,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,004.40 : 413,860.80 = 118,054.40 : x
  2. Step 2: Convert to fraction form
    276,004.40/413,860.80 = 118,054.40/x
  3. Step 3: Cross multiply
    276,004.40x = 413,860.80 × 118,054.40
  4. Step 4: Simplify right side
    276,004.40x = 48,858,088,427.52
  5. Step 5: Solve for x
    x = 48,858,088,427.52/276,004.40
  6. Step 6: Final answer
    x = 177,019.24

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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.