Home / 405,742.62-608,669.28-169,029.90

Finding the Fourth Proportional to 405,742.62, 608,669.28 and 169,029.90

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Solution

The fourth proportional to 405,742.62, 608,669.28 and 169,029.90 is: 253,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,742.62 : 608,669.28 = 169,029.90 : x
  2. Step 2: Convert to fraction form
    405,742.62/608,669.28 = 169,029.90/x
  3. Step 3: Cross multiply
    405,742.62x = 608,669.28 × 169,029.90
  4. Step 4: Simplify right side
    405,742.62x = 102,883,307,531.47
  5. Step 5: Solve for x
    x = 102,883,307,531.47/405,742.62
  6. Step 6: Final answer
    x = 253,567.91

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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.