Finding the Fourth Proportional to 764,663.36, 1,146,920.91 and 232,189.07
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Solution
The fourth proportional to 764,663.36, 1,146,920.91 and 232,189.07 is: 348,261.09
Step by Step Solution
- Step 1: Write the proportion equation
764,663.36 : 1,146,920.91 = 232,189.07 : x - Step 2: Convert to fraction form
764,663.36/1,146,920.91 = 232,189.07/x - Step 3: Cross multiply
764,663.36x = 1,146,920.91 × 232,189.07 - Step 4: Simplify right side
764,663.36x = 266,302,493,721.85 - Step 5: Solve for x
x = 266,302,493,721.85/764,663.36 - Step 6: Final answer
x = 348,261.09
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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.