Finding the Fourth Proportional to 159,371.25, 219,866.42 and 94,827.62
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Solution
The fourth proportional to 159,371.25, 219,866.42 and 94,827.62 is: 130,822.89
Step by Step Solution
- Step 1: Write the proportion equation
159,371.25 : 219,866.42 = 94,827.62 : x - Step 2: Convert to fraction form
159,371.25/219,866.42 = 94,827.62/x - Step 3: Cross multiply
159,371.25x = 219,866.42 × 94,827.62 - Step 4: Simplify right side
159,371.25x = 20,849,407,753.05 - Step 5: Solve for x
x = 20,849,407,753.05/159,371.25 - Step 6: Final answer
x = 130,822.89
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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.