Finding the Fourth Proportional to 249,093.18, 343,756.17 and 141,678.68
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Solution
The fourth proportional to 249,093.18, 343,756.17 and 141,678.68 is: 195,520.88
Step by Step Solution
- Step 1: Write the proportion equation
249,093.18 : 343,756.17 = 141,678.68 : x - Step 2: Convert to fraction form
249,093.18/343,756.17 = 141,678.68/x - Step 3: Cross multiply
249,093.18x = 343,756.17 × 141,678.68 - Step 4: Simplify right side
249,093.18x = 48,702,918,688.67 - Step 5: Solve for x
x = 48,702,918,688.67/249,093.18 - Step 6: Final answer
x = 195,520.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.