Finding the Fourth Proportional to 212,709.24, 319,260.69 and 107,602.02
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Solution
The fourth proportional to 212,709.24, 319,260.69 and 107,602.02 is: 161,502.60
Step by Step Solution
- Step 1: Write the proportion equation
212,709.24 : 319,260.69 = 107,602.02 : x - Step 2: Convert to fraction form
212,709.24/319,260.69 = 107,602.02/x - Step 3: Cross multiply
212,709.24x = 319,260.69 × 107,602.02 - Step 4: Simplify right side
212,709.24x = 34,353,095,150.59 - Step 5: Solve for x
x = 34,353,095,150.59/212,709.24 - Step 6: Final answer
x = 161,502.60
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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.