Finding the Fourth Proportional to 135,044.20, 202,566.30 and 46,285.80
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Solution
The fourth proportional to 135,044.20, 202,566.30 and 46,285.80 is: 69,428.70
Step by Step Solution
- Step 1: Write the proportion equation
135,044.20 : 202,566.30 = 46,285.80 : x - Step 2: Convert to fraction form
135,044.20/202,566.30 = 46,285.80/x - Step 3: Cross multiply
135,044.20x = 202,566.30 × 46,285.80 - Step 4: Simplify right side
135,044.20x = 9,375,943,248.54 - Step 5: Solve for x
x = 9,375,943,248.54/135,044.20 - Step 6: Final answer
x = 69,428.70
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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.