Finding the Fourth Proportional to 249,699.44, 344,586.67 and 136,522.19
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Solution
The fourth proportional to 249,699.44, 344,586.67 and 136,522.19 is: 188,401.41
Step by Step Solution
- Step 1: Write the proportion equation
249,699.44 : 344,586.67 = 136,522.19 : x - Step 2: Convert to fraction form
249,699.44/344,586.67 = 136,522.19/x - Step 3: Cross multiply
249,699.44x = 344,586.67 × 136,522.19 - Step 4: Simplify right side
249,699.44x = 47,043,726,833.21 - Step 5: Solve for x
x = 47,043,726,833.21/249,699.44 - Step 6: Final answer
x = 188,401.41
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1.5x scale
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.