Home / 215,315.72-296,827.74-151,455.32

Finding the Fourth Proportional to 215,315.72, 296,827.74 and 151,455.32

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Solution

The fourth proportional to 215,315.72, 296,827.74 and 151,455.32 is: 208,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,315.72 : 296,827.74 = 151,455.32 : x
  2. Step 2: Convert to fraction form
    215,315.72/296,827.74 = 151,455.32/x
  3. Step 3: Cross multiply
    215,315.72x = 296,827.74 × 151,455.32
  4. Step 4: Simplify right side
    215,315.72x = 44,956,140,346.58
  5. Step 5: Solve for x
    x = 44,956,140,346.58/215,315.72
  6. Step 6: Final answer
    x = 208,791.72

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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.