Finding the Fourth Proportional to 139,673.95, 209,344.24 and 97,324.63
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Solution
The fourth proportional to 139,673.95, 209,344.24 and 97,324.63 is: 145,870.80
Step by Step Solution
- Step 1: Write the proportion equation
139,673.95 : 209,344.24 = 97,324.63 : x - Step 2: Convert to fraction form
139,673.95/209,344.24 = 97,324.63/x - Step 3: Cross multiply
139,673.95x = 209,344.24 × 97,324.63 - Step 4: Simplify right side
139,673.95x = 20,374,350,700.63 - Step 5: Solve for x
x = 20,374,350,700.63/139,673.95 - Step 6: Final answer
x = 145,870.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.