Finding the Fourth Proportional to 249,378.04, 374,119.67 and 80,885.28
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Solution
The fourth proportional to 249,378.04, 374,119.67 and 80,885.28 is: 121,344.99
Step by Step Solution
- Step 1: Write the proportion equation
249,378.04 : 374,119.67 = 80,885.28 : x - Step 2: Convert to fraction form
249,378.04/374,119.67 = 80,885.28/x - Step 3: Cross multiply
249,378.04x = 374,119.67 × 80,885.28 - Step 4: Simplify right side
249,378.04x = 30,260,775,468.51 - Step 5: Solve for x
x = 30,260,775,468.51/249,378.04 - Step 6: Final answer
x = 121,344.99
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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.