Finding the Fourth Proportional to 247,817.76, 371,694.65 and 79,323.99
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Solution
The fourth proportional to 247,817.76, 371,694.65 and 79,323.99 is: 118,975.74
Step by Step Solution
- Step 1: Write the proportion equation
247,817.76 : 371,694.65 = 79,323.99 : x - Step 2: Convert to fraction form
247,817.76/371,694.65 = 79,323.99/x - Step 3: Cross multiply
247,817.76x = 371,694.65 × 79,323.99 - Step 4: Simplify right side
247,817.76x = 29,484,302,303.03 - Step 5: Solve for x
x = 29,484,302,303.03/247,817.76 - Step 6: Final answer
x = 118,975.74
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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.