Finding the Fourth Proportional to 108,874.14, 163,283.81 and 38,737.05
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Solution
The fourth proportional to 108,874.14, 163,283.81 and 38,737.05 is: 58,095.82
Step by Step Solution
- Step 1: Write the proportion equation
108,874.14 : 163,283.81 = 38,737.05 : x - Step 2: Convert to fraction form
108,874.14/163,283.81 = 38,737.05/x - Step 3: Cross multiply
108,874.14x = 163,283.81 × 38,737.05 - Step 4: Simplify right side
108,874.14x = 6,325,132,918.48 - Step 5: Solve for x
x = 6,325,132,918.48/108,874.14 - Step 6: Final answer
x = 58,095.82
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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.