Finding the Fourth Proportional to 304,544.48, 420,430.56 and 189,858.08
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Solution
The fourth proportional to 304,544.48, 420,430.56 and 189,858.08 is: 262,103.38
Step by Step Solution
- Step 1: Write the proportion equation
304,544.48 : 420,430.56 = 189,858.08 : x - Step 2: Convert to fraction form
304,544.48/420,430.56 = 189,858.08/x - Step 3: Cross multiply
304,544.48x = 420,430.56 × 189,858.08 - Step 4: Simplify right side
304,544.48x = 79,822,138,894.92 - Step 5: Solve for x
x = 79,822,138,894.92/304,544.48 - Step 6: Final answer
x = 262,103.38
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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.