Finding the Fourth Proportional to 658,318.11, 987,723.20 and 259,237.08
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Solution
The fourth proportional to 658,318.11, 987,723.20 and 259,237.08 is: 388,952.51
Step by Step Solution
- Step 1: Write the proportion equation
658,318.11 : 987,723.20 = 259,237.08 : x - Step 2: Convert to fraction form
658,318.11/987,723.20 = 259,237.08/x - Step 3: Cross multiply
658,318.11x = 987,723.20 × 259,237.08 - Step 4: Simplify right side
658,318.11x = 256,054,478,216.26 - Step 5: Solve for x
x = 256,054,478,216.26/658,318.11 - Step 6: Final answer
x = 388,952.51
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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.