Home / 280,931.23-387,790.52-184,141.32

Finding the Fourth Proportional to 280,931.23, 387,790.52 and 184,141.32

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Solution

The fourth proportional to 280,931.23, 387,790.52 and 184,141.32 is: 254,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,931.23 : 387,790.52 = 184,141.32 : x
  2. Step 2: Convert to fraction form
    280,931.23/387,790.52 = 184,141.32/x
  3. Step 3: Cross multiply
    280,931.23x = 387,790.52 × 184,141.32
  4. Step 4: Simplify right side
    280,931.23x = 71,408,258,236.29
  5. Step 5: Solve for x
    x = 71,408,258,236.29/280,931.23
  6. Step 6: Final answer
    x = 254,184.12

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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.