Finding the Fourth Proportional to 251,088.17, 346,578.47 and 149,130.23
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Solution
The fourth proportional to 251,088.17, 346,578.47 and 149,130.23 is: 205,845.32
Step by Step Solution
- Step 1: Write the proportion equation
251,088.17 : 346,578.47 = 149,130.23 : x - Step 2: Convert to fraction form
251,088.17/346,578.47 = 149,130.23/x - Step 3: Cross multiply
251,088.17x = 346,578.47 × 149,130.23 - Step 4: Simplify right side
251,088.17x = 51,685,324,465.60 - Step 5: Solve for x
x = 51,685,324,465.60/251,088.17 - Step 6: Final answer
x = 205,845.32
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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.