Finding the Fourth Proportional to 248,870.88, 343,446.48 and 135,697.68
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Solution
The fourth proportional to 248,870.88, 343,446.48 and 135,697.68 is: 187,265.34
Step by Step Solution
- Step 1: Write the proportion equation
248,870.88 : 343,446.48 = 135,697.68 : x - Step 2: Convert to fraction form
248,870.88/343,446.48 = 135,697.68/x - Step 3: Cross multiply
248,870.88x = 343,446.48 × 135,697.68 - Step 4: Simplify right side
248,870.88x = 46,604,890,540.17 - Step 5: Solve for x
x = 46,604,890,540.17/248,870.88 - Step 6: Final answer
x = 187,265.34
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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.