Finding the Fourth Proportional to 183,859.36, 253,822.80 and 123,746.08
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Solution
The fourth proportional to 183,859.36, 253,822.80 and 123,746.08 is: 170,834.80
Step by Step Solution
- Step 1: Write the proportion equation
183,859.36 : 253,822.80 = 123,746.08 : x - Step 2: Convert to fraction form
183,859.36/253,822.80 = 123,746.08/x - Step 3: Cross multiply
183,859.36x = 253,822.80 × 123,746.08 - Step 4: Simplify right side
183,859.36x = 31,409,576,514.62 - Step 5: Solve for x
x = 31,409,576,514.62/183,859.36 - Step 6: Final answer
x = 170,834.80
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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.