Finding the Fourth Proportional to 179,130.87, 247,302.99 and 118,783.53
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Solution
The fourth proportional to 179,130.87, 247,302.99 and 118,783.53 is: 163,989.17
Step by Step Solution
- Step 1: Write the proportion equation
179,130.87 : 247,302.99 = 118,783.53 : x - Step 2: Convert to fraction form
179,130.87/247,302.99 = 118,783.53/x - Step 3: Cross multiply
179,130.87x = 247,302.99 × 118,783.53 - Step 4: Simplify right side
179,130.87x = 29,375,522,131.75 - Step 5: Solve for x
x = 29,375,522,131.75/179,130.87 - Step 6: Final answer
x = 163,989.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.