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Finding the Fourth Proportional to 291,448.82, 437,232.14 and 122,969.55

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Solution

The fourth proportional to 291,448.82, 437,232.14 and 122,969.55 is: 184,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,448.82 : 437,232.14 = 122,969.55 : x
  2. Step 2: Convert to fraction form
    291,448.82/437,232.14 = 122,969.55/x
  3. Step 3: Cross multiply
    291,448.82x = 437,232.14 × 122,969.55
  4. Step 4: Simplify right side
    291,448.82x = 53,766,238,886.49
  5. Step 5: Solve for x
    x = 53,766,238,886.49/291,448.82
  6. Step 6: Final answer
    x = 184,479.18

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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.