Finding the Fourth Proportional to 315,427.70, 471,989.55 and 232,483.70
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Solution
The fourth proportional to 315,427.70, 471,989.55 and 232,483.70 is: 347,876.48
Step by Step Solution
- Step 1: Write the proportion equation
315,427.70 : 471,989.55 = 232,483.70 : x - Step 2: Convert to fraction form
315,427.70/471,989.55 = 232,483.70/x - Step 3: Cross multiply
315,427.70x = 471,989.55 × 232,483.70 - Step 4: Simplify right side
315,427.70x = 109,729,876,945.34 - Step 5: Solve for x
x = 109,729,876,945.34/315,427.70 - Step 6: Final answer
x = 347,876.48
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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.