Finding the Fourth Proportional to 147,044.84, 202,866.90 and 86,578.52
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Solution
The fourth proportional to 147,044.84, 202,866.90 and 86,578.52 is: 119,445.99
Step by Step Solution
- Step 1: Write the proportion equation
147,044.84 : 202,866.90 = 86,578.52 : x - Step 2: Convert to fraction form
147,044.84/202,866.90 = 86,578.52/x - Step 3: Cross multiply
147,044.84x = 202,866.90 × 86,578.52 - Step 4: Simplify right side
147,044.84x = 17,563,915,958.99 - Step 5: Solve for x
x = 17,563,915,958.99/147,044.84 - Step 6: Final answer
x = 119,445.99
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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.