Finding the Fourth Proportional to 251,232.32, 346,696.68 and 138,052.64
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Solution
The fourth proportional to 251,232.32, 346,696.68 and 138,052.64 is: 190,510.49
Step by Step Solution
- Step 1: Write the proportion equation
251,232.32 : 346,696.68 = 138,052.64 : x - Step 2: Convert to fraction form
251,232.32/346,696.68 = 138,052.64/x - Step 3: Cross multiply
251,232.32x = 346,696.68 × 138,052.64 - Step 4: Simplify right side
251,232.32x = 47,862,391,953.24 - Step 5: Solve for x
x = 47,862,391,953.24/251,232.32 - Step 6: Final answer
x = 190,510.49
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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.