Finding the Fourth Proportional to 232,590.30, 348,663.97 and 74,708.06
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Solution
The fourth proportional to 232,590.30, 348,663.97 and 74,708.06 is: 111,990.95
Step by Step Solution
- Step 1: Write the proportion equation
232,590.30 : 348,663.97 = 74,708.06 : x - Step 2: Convert to fraction form
232,590.30/348,663.97 = 74,708.06/x - Step 3: Cross multiply
232,590.30x = 348,663.97 × 74,708.06 - Step 4: Simplify right side
232,590.30x = 26,048,008,790.60 - Step 5: Solve for x
x = 26,048,008,790.60/232,590.30 - Step 6: Final answer
x = 111,990.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.