Finding the Fourth Proportional to 137,420.18, 206,157.76 and 47,466.17
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Solution
The fourth proportional to 137,420.18, 206,157.76 and 47,466.17 is: 71,208.75
Step by Step Solution
- Step 1: Write the proportion equation
137,420.18 : 206,157.76 = 47,466.17 : x - Step 2: Convert to fraction form
137,420.18/206,157.76 = 47,466.17/x - Step 3: Cross multiply
137,420.18x = 206,157.76 × 47,466.17 - Step 4: Simplify right side
137,420.18x = 9,785,519,282.98 - Step 5: Solve for x
x = 9,785,519,282.98/137,420.18 - Step 6: Final answer
x = 71,208.75
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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.