Finding the Fourth Proportional to 659,230.75, 988,259.68 and 238,413.07
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Solution
The fourth proportional to 659,230.75, 988,259.68 and 238,413.07 is: 357,407.52
Step by Step Solution
- Step 1: Write the proportion equation
659,230.75 : 988,259.68 = 238,413.07 : x - Step 2: Convert to fraction form
659,230.75/988,259.68 = 238,413.07/x - Step 3: Cross multiply
659,230.75x = 988,259.68 × 238,413.07 - Step 4: Simplify right side
659,230.75x = 235,614,024,266.02 - Step 5: Solve for x
x = 235,614,024,266.02/659,230.75 - Step 6: Final answer
x = 357,407.52
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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.