Finding the Fourth Proportional to 106,339.68, 159,460.92 and 39,730.96
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Solution
The fourth proportional to 106,339.68, 159,460.92 and 39,730.96 is: 59,578.28
Step by Step Solution
- Step 1: Write the proportion equation
106,339.68 : 159,460.92 = 39,730.96 : x - Step 2: Convert to fraction form
106,339.68/159,460.92 = 39,730.96/x - Step 3: Cross multiply
106,339.68x = 159,460.92 × 39,730.96 - Step 4: Simplify right side
106,339.68x = 6,335,535,434.08 - Step 5: Solve for x
x = 6,335,535,434.08/106,339.68 - Step 6: Final answer
x = 59,578.28
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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.