Home / 407,289.32-611,021.66-122,956.04

Finding the Fourth Proportional to 407,289.32, 611,021.66 and 122,956.04

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Solution

The fourth proportional to 407,289.32, 611,021.66 and 122,956.04 is: 184,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,289.32 : 611,021.66 = 122,956.04 : x
  2. Step 2: Convert to fraction form
    407,289.32/611,021.66 = 122,956.04/x
  3. Step 3: Cross multiply
    407,289.32x = 611,021.66 × 122,956.04
  4. Step 4: Simplify right side
    407,289.32x = 75,128,803,667.83
  5. Step 5: Solve for x
    x = 75,128,803,667.83/407,289.32
  6. Step 6: Final answer
    x = 184,460.53

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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.