Finding the Fourth Proportional to 157,427.70, 236,119.95 and 52,235.70
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Solution
The fourth proportional to 157,427.70, 236,119.95 and 52,235.70 is: 78,346.38
Step by Step Solution
- Step 1: Write the proportion equation
157,427.70 : 236,119.95 = 52,235.70 : x - Step 2: Convert to fraction form
157,427.70/236,119.95 = 52,235.70/x - Step 3: Cross multiply
157,427.70x = 236,119.95 × 52,235.70 - Step 4: Simplify right side
157,427.70x = 12,333,890,872.22 - Step 5: Solve for x
x = 12,333,890,872.22/157,427.70 - Step 6: Final answer
x = 78,346.38
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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.