Finding the Fourth Proportional to 248,881.01, 343,454.99 and 135,703.76
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Solution
The fourth proportional to 248,881.01, 343,454.99 and 135,703.76 is: 187,270.74
Step by Step Solution
- Step 1: Write the proportion equation
248,881.01 : 343,454.99 = 135,703.76 : x - Step 2: Convert to fraction form
248,881.01/343,454.99 = 135,703.76/x - Step 3: Cross multiply
248,881.01x = 343,454.99 × 135,703.76 - Step 4: Simplify right side
248,881.01x = 46,608,131,137.97 - Step 5: Solve for x
x = 46,608,131,137.97/248,881.01 - Step 6: Final answer
x = 187,270.74
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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.