Finding the Fourth Proportional to 183,843.36, 253,698.12 and 103,279.68
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Solution
The fourth proportional to 183,843.36, 253,698.12 and 103,279.68 is: 142,522.75
Step by Step Solution
- Step 1: Write the proportion equation
183,843.36 : 253,698.12 = 103,279.68 : x - Step 2: Convert to fraction form
183,843.36/253,698.12 = 103,279.68/x - Step 3: Cross multiply
183,843.36x = 253,698.12 × 103,279.68 - Step 4: Simplify right side
183,843.36x = 26,201,860,650.20 - Step 5: Solve for x
x = 26,201,860,650.20/183,843.36 - Step 6: Final answer
x = 142,522.75
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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.