Finding the Fourth Proportional to 212,557.83, 293,330.46 and 115,762.42
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Solution
The fourth proportional to 212,557.83, 293,330.46 and 115,762.42 is: 159,752.50
Step by Step Solution
- Step 1: Write the proportion equation
212,557.83 : 293,330.46 = 115,762.42 : x - Step 2: Convert to fraction form
212,557.83/293,330.46 = 115,762.42/x - Step 3: Cross multiply
212,557.83x = 293,330.46 × 115,762.42 - Step 4: Simplify right side
212,557.83x = 33,956,643,909.31 - Step 5: Solve for x
x = 33,956,643,909.31/212,557.83 - Step 6: Final answer
x = 159,752.50
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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.