Finding the Fourth Proportional to 112,350.54, 155,044.92 and 61,364.75
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Solution
The fourth proportional to 112,350.54, 155,044.92 and 61,364.75 is: 84,683.99
Step by Step Solution
- Step 1: Write the proportion equation
112,350.54 : 155,044.92 = 61,364.75 : x - Step 2: Convert to fraction form
112,350.54/155,044.92 = 61,364.75/x - Step 3: Cross multiply
112,350.54x = 155,044.92 × 61,364.75 - Step 4: Simplify right side
112,350.54x = 9,514,291,979.35 - Step 5: Solve for x
x = 9,514,291,979.35/112,350.54 - Step 6: Final answer
x = 84,683.99
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1.5x scale
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.