Finding the Fourth Proportional to 248,800.68, 343,344.96 and 135,623.52
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Solution
The fourth proportional to 248,800.68, 343,344.96 and 135,623.52 is: 187,160.47
Step by Step Solution
- Step 1: Write the proportion equation
248,800.68 : 343,344.96 = 135,623.52 : x - Step 2: Convert to fraction form
248,800.68/343,344.96 = 135,623.52/x - Step 3: Cross multiply
248,800.68x = 343,344.96 × 135,623.52 - Step 4: Simplify right side
248,800.68x = 46,565,652,049.46 - Step 5: Solve for x
x = 46,565,652,049.46/248,800.68 - Step 6: Final answer
x = 187,160.47
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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.