Finding the Fourth Proportional to 659,229.75, 988,258.19 and 238,412.07
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Solution
The fourth proportional to 659,229.75, 988,258.19 and 238,412.07 is: 357,406.02
Step by Step Solution
- Step 1: Write the proportion equation
659,229.75 : 988,258.19 = 238,412.07 : x - Step 2: Convert to fraction form
659,229.75/988,258.19 = 238,412.07/x - Step 3: Cross multiply
659,229.75x = 988,258.19 × 238,412.07 - Step 4: Simplify right side
659,229.75x = 235,612,679,580.29 - Step 5: Solve for x
x = 235,612,679,580.29/659,229.75 - Step 6: Final answer
x = 357,406.02
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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.