Finding the Fourth Proportional to 405,970.97, 560,177.53 and 233,855.32
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Solution
The fourth proportional to 405,970.97, 560,177.53 and 233,855.32 is: 322,684.39
Step by Step Solution
- Step 1: Write the proportion equation
405,970.97 : 560,177.53 = 233,855.32 : x - Step 2: Convert to fraction form
405,970.97/560,177.53 = 233,855.32/x - Step 3: Cross multiply
405,970.97x = 560,177.53 × 233,855.32 - Step 4: Simplify right side
405,970.97x = 131,000,496,265.76 - Step 5: Solve for x
x = 131,000,496,265.76/405,970.97 - Step 6: Final answer
x = 322,684.39
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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.