Finding the Fourth Proportional to 251,125.80, 346,552.02 and 136,403.28
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Solution
The fourth proportional to 251,125.80, 346,552.02 and 136,403.28 is: 188,235.67
Step by Step Solution
- Step 1: Write the proportion equation
251,125.80 : 346,552.02 = 136,403.28 : x - Step 2: Convert to fraction form
251,125.80/346,552.02 = 136,403.28/x - Step 3: Cross multiply
251,125.80x = 346,552.02 × 136,403.28 - Step 4: Simplify right side
251,125.80x = 47,270,832,218.63 - Step 5: Solve for x
x = 47,270,832,218.63/251,125.80 - Step 6: Final answer
x = 188,235.67
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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.