Finding the Fourth Proportional to 146,342.28, 201,952.68 and 79,274.28
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Solution
The fourth proportional to 146,342.28, 201,952.68 and 79,274.28 is: 109,398.69
Step by Step Solution
- Step 1: Write the proportion equation
146,342.28 : 201,952.68 = 79,274.28 : x - Step 2: Convert to fraction form
146,342.28/201,952.68 = 79,274.28/x - Step 3: Cross multiply
146,342.28x = 201,952.68 × 79,274.28 - Step 4: Simplify right side
146,342.28x = 16,009,653,301.07 - Step 5: Solve for x
x = 16,009,653,301.07/146,342.28 - Step 6: Final answer
x = 109,398.69
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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.