Home / 280,931.06-387,790.28-184,141.14

Finding the Fourth Proportional to 280,931.06, 387,790.28 and 184,141.14

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Solution

The fourth proportional to 280,931.06, 387,790.28 and 184,141.14 is: 254,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,931.06 : 387,790.28 = 184,141.14 : x
  2. Step 2: Convert to fraction form
    280,931.06/387,790.28 = 184,141.14/x
  3. Step 3: Cross multiply
    280,931.06x = 387,790.28 × 184,141.14
  4. Step 4: Simplify right side
    280,931.06x = 71,408,143,319.41
  5. Step 5: Solve for x
    x = 71,408,143,319.41/280,931.06
  6. Step 6: Final answer
    x = 254,183.87

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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.