Finding the Fourth Proportional to 106,368.39, 159,580.26 and 39,813.75
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Solution
The fourth proportional to 106,368.39, 159,580.26 and 39,813.75 is: 59,730.98
Step by Step Solution
- Step 1: Write the proportion equation
106,368.39 : 159,580.26 = 39,813.75 : x - Step 2: Convert to fraction form
106,368.39/159,580.26 = 39,813.75/x - Step 3: Cross multiply
106,368.39x = 159,580.26 × 39,813.75 - Step 4: Simplify right side
106,368.39x = 6,353,488,576.58 - Step 5: Solve for x
x = 6,353,488,576.58/106,368.39 - Step 6: Final answer
x = 59,730.98
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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.