Home / 405,724.92-608,642.75-169,012.24

Finding the Fourth Proportional to 405,724.92, 608,642.75 and 169,012.24

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Solution

The fourth proportional to 405,724.92, 608,642.75 and 169,012.24 is: 253,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,724.92 : 608,642.75 = 169,012.24 : x
  2. Step 2: Convert to fraction form
    405,724.92/608,642.75 = 169,012.24/x
  3. Step 3: Cross multiply
    405,724.92x = 608,642.75 × 169,012.24
  4. Step 4: Simplify right side
    405,724.92x = 102,868,075,815.85
  5. Step 5: Solve for x
    x = 102,868,075,815.85/405,724.92
  6. Step 6: Final answer
    x = 253,541.43

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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.