Finding the Fourth Proportional to 248,699.77, 343,206.12 and 135,522.52
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Solution
The fourth proportional to 248,699.77, 343,206.12 and 135,522.52 is: 187,021.32
Step by Step Solution
- Step 1: Write the proportion equation
248,699.77 : 343,206.12 = 135,522.52 : x - Step 2: Convert to fraction form
248,699.77/343,206.12 = 135,522.52/x - Step 3: Cross multiply
248,699.77x = 343,206.12 × 135,522.52 - Step 4: Simplify right side
248,699.77x = 46,512,158,261.82 - Step 5: Solve for x
x = 46,512,158,261.82/248,699.77 - Step 6: Final answer
x = 187,021.32
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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.