Finding the Fourth Proportional to 212,710.46, 293,539.28 and 115,914.24
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Solution
The fourth proportional to 212,710.46, 293,539.28 and 115,914.24 is: 159,961.02
Step by Step Solution
- Step 1: Write the proportion equation
212,710.46 : 293,539.28 = 115,914.24 : x - Step 2: Convert to fraction form
212,710.46/293,539.28 = 115,914.24/x - Step 3: Cross multiply
212,710.46x = 293,539.28 × 115,914.24 - Step 4: Simplify right side
212,710.46x = 34,025,381,971.78 - Step 5: Solve for x
x = 34,025,381,971.78/212,710.46 - Step 6: Final answer
x = 159,961.02
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1.5x scale
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.