Finding the Fourth Proportional to 248,532.24, 342,974.88 and 135,355.44
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Solution
The fourth proportional to 248,532.24, 342,974.88 and 135,355.44 is: 186,790.72
Step by Step Solution
- Step 1: Write the proportion equation
248,532.24 : 342,974.88 = 135,355.44 : x - Step 2: Convert to fraction form
248,532.24/342,974.88 = 135,355.44/x - Step 3: Cross multiply
248,532.24x = 342,974.88 × 135,355.44 - Step 4: Simplify right side
248,532.24x = 46,423,515,791.35 - Step 5: Solve for x
x = 46,423,515,791.35/248,532.24 - Step 6: Final answer
x = 186,790.72
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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.