Finding the Fourth Proportional to 106,508.88, 159,605.40 and 43,252.08
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Solution
The fourth proportional to 106,508.88, 159,605.40 and 43,252.08 is: 64,813.99
Step by Step Solution
- Step 1: Write the proportion equation
106,508.88 : 159,605.40 = 43,252.08 : x - Step 2: Convert to fraction form
106,508.88/159,605.40 = 43,252.08/x - Step 3: Cross multiply
106,508.88x = 159,605.40 × 43,252.08 - Step 4: Simplify right side
106,508.88x = 6,903,265,529.23 - Step 5: Solve for x
x = 6,903,265,529.23/106,508.88 - Step 6: Final answer
x = 64,813.99
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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.