Finding the Fourth Proportional to 108,735.67, 163,064.36 and 37,638.99
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Solution
The fourth proportional to 108,735.67, 163,064.36 and 37,638.99 is: 56,444.93
Step by Step Solution
- Step 1: Write the proportion equation
108,735.67 : 163,064.36 = 37,638.99 : x - Step 2: Convert to fraction form
108,735.67/163,064.36 = 37,638.99/x - Step 3: Cross multiply
108,735.67x = 163,064.36 × 37,638.99 - Step 4: Simplify right side
108,735.67x = 6,137,577,815.40 - Step 5: Solve for x
x = 6,137,577,815.40/108,735.67 - Step 6: Final answer
x = 56,444.93
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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.