Finding the Fourth Proportional to 251,060.09, 346,465.62 and 137,882.84
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Solution
The fourth proportional to 251,060.09, 346,465.62 and 137,882.84 is: 190,279.80
Step by Step Solution
- Step 1: Write the proportion equation
251,060.09 : 346,465.62 = 137,882.84 : x - Step 2: Convert to fraction form
251,060.09/346,465.62 = 137,882.84/x - Step 3: Cross multiply
251,060.09x = 346,465.62 × 137,882.84 - Step 4: Simplify right side
251,060.09x = 47,771,661,915.63 - Step 5: Solve for x
x = 47,771,661,915.63/251,060.09 - Step 6: Final answer
x = 190,279.80
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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.