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Finding the Fourth Proportional to 471,064.26, 706,579.67 and 134,106.69

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Solution

The fourth proportional to 471,064.26, 706,579.67 and 134,106.69 is: 201,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,064.26 : 706,579.67 = 134,106.69 : x
  2. Step 2: Convert to fraction form
    471,064.26/706,579.67 = 134,106.69/x
  3. Step 3: Cross multiply
    471,064.26x = 706,579.67 × 134,106.69
  4. Step 4: Simplify right side
    471,064.26x = 94,757,060,094.46
  5. Step 5: Solve for x
    x = 94,757,060,094.46/471,064.26
  6. Step 6: Final answer
    x = 201,155.27

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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.