Home / 215,129.81-322,733.45-175,500.16

Finding the Fourth Proportional to 215,129.81, 322,733.45 and 175,500.16

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Solution

The fourth proportional to 215,129.81, 322,733.45 and 175,500.16 is: 263,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,129.81 : 322,733.45 = 175,500.16 : x
  2. Step 2: Convert to fraction form
    215,129.81/322,733.45 = 175,500.16/x
  3. Step 3: Cross multiply
    215,129.81x = 322,733.45 × 175,500.16
  4. Step 4: Simplify right side
    215,129.81x = 56,639,772,112.35
  5. Step 5: Solve for x
    x = 56,639,772,112.35/215,129.81
  6. Step 6: Final answer
    x = 263,281.84

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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.