Finding the Fourth Proportional to 442,153.08, 610,187.58 and 251,198.82
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Solution
The fourth proportional to 442,153.08, 610,187.58 and 251,198.82 is: 346,663.65
Step by Step Solution
- Step 1: Write the proportion equation
442,153.08 : 610,187.58 = 251,198.82 : x - Step 2: Convert to fraction form
442,153.08/610,187.58 = 251,198.82/x - Step 3: Cross multiply
442,153.08x = 610,187.58 × 251,198.82 - Step 4: Simplify right side
442,153.08x = 153,278,400,074.66 - Step 5: Solve for x
x = 153,278,400,074.66/442,153.08 - Step 6: Final answer
x = 346,663.65
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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.