Finding the Fourth Proportional to 658,817.18, 988,215.36 and 209,531.54
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Solution
The fourth proportional to 658,817.18, 988,215.36 and 209,531.54 is: 314,294.00
Step by Step Solution
- Step 1: Write the proportion equation
658,817.18 : 988,215.36 = 209,531.54 : x - Step 2: Convert to fraction form
658,817.18/988,215.36 = 209,531.54/x - Step 3: Cross multiply
658,817.18x = 988,215.36 × 209,531.54 - Step 4: Simplify right side
658,817.18x = 207,062,286,232.45 - Step 5: Solve for x
x = 207,062,286,232.45/658,817.18 - Step 6: Final answer
x = 314,294.00
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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.