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Finding the Fourth Proportional to 404,528.77, 607,063.98 and 167,871.67

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Solution

The fourth proportional to 404,528.77, 607,063.98 and 167,871.67 is: 251,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,528.77 : 607,063.98 = 167,871.67 : x
  2. Step 2: Convert to fraction form
    404,528.77/607,063.98 = 167,871.67/x
  3. Step 3: Cross multiply
    404,528.77x = 607,063.98 × 167,871.67
  4. Step 4: Simplify right side
    404,528.77x = 101,908,844,119.45
  5. Step 5: Solve for x
    x = 101,908,844,119.45/404,528.77
  6. Step 6: Final answer
    x = 251,919.89

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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.