Finding the Fourth Proportional to 248,852.64, 343,424.16 and 135,677.28
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Solution
The fourth proportional to 248,852.64, 343,424.16 and 135,677.28 is: 187,238.74
Step by Step Solution
- Step 1: Write the proportion equation
248,852.64 : 343,424.16 = 135,677.28 : x - Step 2: Convert to fraction form
248,852.64/343,424.16 = 135,677.28/x - Step 3: Cross multiply
248,852.64x = 343,424.16 × 135,677.28 - Step 4: Simplify right side
248,852.64x = 46,594,855,915.08 - Step 5: Solve for x
x = 46,594,855,915.08/248,852.64 - Step 6: Final answer
x = 187,238.74
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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.