Finding the Fourth Proportional to 146,637.81, 202,359.47 and 79,569.81
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Solution
The fourth proportional to 146,637.81, 202,359.47 and 79,569.81 is: 109,805.95
Step by Step Solution
- Step 1: Write the proportion equation
146,637.81 : 202,359.47 = 79,569.81 : x - Step 2: Convert to fraction form
146,637.81/202,359.47 = 79,569.81/x - Step 3: Cross multiply
146,637.81x = 202,359.47 × 79,569.81 - Step 4: Simplify right side
146,637.81x = 16,101,704,181.75 - Step 5: Solve for x
x = 16,101,704,181.75/146,637.81 - Step 6: Final answer
x = 109,805.95
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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.