Finding the Fourth Proportional to 405,721.10, 559,846.34 and 233,695.02
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Solution
The fourth proportional to 405,721.10, 559,846.34 and 233,695.02 is: 322,471.03
Step by Step Solution
- Step 1: Write the proportion equation
405,721.10 : 559,846.34 = 233,695.02 : x - Step 2: Convert to fraction form
405,721.10/559,846.34 = 233,695.02/x - Step 3: Cross multiply
405,721.10x = 559,846.34 × 233,695.02 - Step 4: Simplify right side
405,721.10x = 130,833,301,623.23 - Step 5: Solve for x
x = 130,833,301,623.23/405,721.10 - Step 6: Final answer
x = 322,471.03
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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.