Finding the Fourth Proportional to 247,928.08, 371,916.72 and 79,406.08
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Solution
The fourth proportional to 247,928.08, 371,916.72 and 79,406.08 is: 119,117.00
Step by Step Solution
- Step 1: Write the proportion equation
247,928.08 : 371,916.72 = 79,406.08 : x - Step 2: Convert to fraction form
247,928.08/371,916.72 = 79,406.08/x - Step 3: Cross multiply
247,928.08x = 371,916.72 × 79,406.08 - Step 4: Simplify right side
247,928.08x = 29,532,448,821.66 - Step 5: Solve for x
x = 29,532,448,821.66/247,928.08 - Step 6: Final answer
x = 119,117.00
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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.