Finding the Fourth Proportional to 157,017.18, 235,436.55 and 107,157.68
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Solution
The fourth proportional to 157,017.18, 235,436.55 and 107,157.68 is: 160,675.62
Step by Step Solution
- Step 1: Write the proportion equation
157,017.18 : 235,436.55 = 107,157.68 : x - Step 2: Convert to fraction form
157,017.18/235,436.55 = 107,157.68/x - Step 3: Cross multiply
157,017.18x = 235,436.55 × 107,157.68 - Step 4: Simplify right side
157,017.18x = 25,228,833,308.02 - Step 5: Solve for x
x = 25,228,833,308.02/157,017.18 - Step 6: Final answer
x = 160,675.62
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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.