Finding the Fourth Proportional to 139,526.44, 209,289.67 and 41,030.44
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Solution
The fourth proportional to 139,526.44, 209,289.67 and 41,030.44 is: 61,545.66
Step by Step Solution
- Step 1: Write the proportion equation
139,526.44 : 209,289.67 = 41,030.44 : x - Step 2: Convert to fraction form
139,526.44/209,289.67 = 41,030.44/x - Step 3: Cross multiply
139,526.44x = 209,289.67 × 41,030.44 - Step 4: Simplify right side
139,526.44x = 8,587,246,621.75 - Step 5: Solve for x
x = 8,587,246,621.75/139,526.44 - Step 6: Final answer
x = 61,545.66
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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.