Finding the Fourth Proportional to 249,797.43, 344,723.19 and 136,617.75
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Solution
The fourth proportional to 249,797.43, 344,723.19 and 136,617.75 is: 188,533.99
Step by Step Solution
- Step 1: Write the proportion equation
249,797.43 : 344,723.19 = 136,617.75 : x - Step 2: Convert to fraction form
249,797.43/344,723.19 = 136,617.75/x - Step 3: Cross multiply
249,797.43x = 344,723.19 × 136,617.75 - Step 4: Simplify right side
249,797.43x = 47,095,306,590.62 - Step 5: Solve for x
x = 47,095,306,590.62/249,797.43 - Step 6: Final answer
x = 188,533.99
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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.