Finding the Fourth Proportional to 114,433.15, 157,916.99 and 63,445.90
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Solution
The fourth proportional to 114,433.15, 157,916.99 and 63,445.90 is: 87,554.92
Step by Step Solution
- Step 1: Write the proportion equation
114,433.15 : 157,916.99 = 63,445.90 : x - Step 2: Convert to fraction form
114,433.15/157,916.99 = 63,445.90/x - Step 3: Cross multiply
114,433.15x = 157,916.99 × 63,445.90 - Step 4: Simplify right side
114,433.15x = 10,019,184,766.26 - Step 5: Solve for x
x = 10,019,184,766.26/114,433.15 - Step 6: Final answer
x = 87,554.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.