Finding the Fourth Proportional to 248,280.08, 342,972.10 and 239,062.68
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Solution
The fourth proportional to 248,280.08, 342,972.10 and 239,062.68 is: 330,239.26
Step by Step Solution
- Step 1: Write the proportion equation
248,280.08 : 342,972.10 = 239,062.68 : x - Step 2: Convert to fraction form
248,280.08/342,972.10 = 239,062.68/x - Step 3: Cross multiply
248,280.08x = 342,972.10 × 239,062.68 - Step 4: Simplify right side
248,280.08x = 81,991,829,391.23 - Step 5: Solve for x
x = 81,991,829,391.23/248,280.08 - Step 6: Final answer
x = 330,239.26
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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.