Home / 405,739.58-608,664.74-169,026.89

Finding the Fourth Proportional to 405,739.58, 608,664.74 and 169,026.89

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Solution

The fourth proportional to 405,739.58, 608,664.74 and 169,026.89 is: 253,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,739.58 : 608,664.74 = 169,026.89 : x
  2. Step 2: Convert to fraction form
    405,739.58/608,664.74 = 169,026.89/x
  3. Step 3: Cross multiply
    405,739.58x = 608,664.74 × 169,026.89
  4. Step 4: Simplify right side
    405,739.58x = 102,880,704,166.40
  5. Step 5: Solve for x
    x = 102,880,704,166.40/405,739.58
  6. Step 6: Final answer
    x = 253,563.40

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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.