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Finding the Fourth Proportional to 291,847.52, 402,812.20 and 184,349.18

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Solution

The fourth proportional to 291,847.52, 402,812.20 and 184,349.18 is: 254,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,847.52 : 402,812.20 = 184,349.18 : x
  2. Step 2: Convert to fraction form
    291,847.52/402,812.20 = 184,349.18/x
  3. Step 3: Cross multiply
    291,847.52x = 402,812.20 × 184,349.18
  4. Step 4: Simplify right side
    291,847.52x = 74,258,098,764.00
  5. Step 5: Solve for x
    x = 74,258,098,764.00/291,847.52
  6. Step 6: Final answer
    x = 254,441.42

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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.