Finding the Fourth Proportional to 249,069.12, 343,725.60 and 141,658.08
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Solution
The fourth proportional to 249,069.12, 343,725.60 and 141,658.08 is: 195,493.96
Step by Step Solution
- Step 1: Write the proportion equation
249,069.12 : 343,725.60 = 141,658.08 : x - Step 2: Convert to fraction form
249,069.12/343,725.60 = 141,658.08/x - Step 3: Cross multiply
249,069.12x = 343,725.60 × 141,658.08 - Step 4: Simplify right side
249,069.12x = 48,691,508,542.85 - Step 5: Solve for x
x = 48,691,508,542.85/249,069.12 - Step 6: Final answer
x = 195,493.96
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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.