Finding the Fourth Proportional to 157,293.84, 235,975.80 and 57,453.88
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Solution
The fourth proportional to 157,293.84, 235,975.80 and 57,453.88 is: 86,193.62
Step by Step Solution
- Step 1: Write the proportion equation
157,293.84 : 235,975.80 = 57,453.88 : x - Step 2: Convert to fraction form
157,293.84/235,975.80 = 57,453.88/x - Step 3: Cross multiply
157,293.84x = 235,975.80 × 57,453.88 - Step 4: Simplify right side
157,293.84x = 13,557,725,296.10 - Step 5: Solve for x
x = 13,557,725,296.10/157,293.84 - Step 6: Final answer
x = 86,193.62
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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.