Home / 320,826.40-442,701.28-184,904.32

Finding the Fourth Proportional to 320,826.40, 442,701.28 and 184,904.32

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Solution

The fourth proportional to 320,826.40, 442,701.28 and 184,904.32 is: 255,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,826.40 : 442,701.28 = 184,904.32 : x
  2. Step 2: Convert to fraction form
    320,826.40/442,701.28 = 184,904.32/x
  3. Step 3: Cross multiply
    320,826.40x = 442,701.28 × 184,904.32
  4. Step 4: Simplify right side
    320,826.40x = 81,857,379,141.53
  5. Step 5: Solve for x
    x = 81,857,379,141.53/320,826.40
  6. Step 6: Final answer
    x = 255,145.40

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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.