Finding the Fourth Proportional to 117,276.84, 175,912.74 and 28,530.78
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Solution
The fourth proportional to 117,276.84, 175,912.74 and 28,530.78 is: 42,795.56
Step by Step Solution
- Step 1: Write the proportion equation
117,276.84 : 175,912.74 = 28,530.78 : x - Step 2: Convert to fraction form
117,276.84/175,912.74 = 28,530.78/x - Step 3: Cross multiply
117,276.84x = 175,912.74 × 28,530.78 - Step 4: Simplify right side
117,276.84x = 5,018,927,684.14 - Step 5: Solve for x
x = 5,018,927,684.14/117,276.84 - Step 6: Final answer
x = 42,795.56
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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.