Finding the Fourth Proportional to 249,759.74, 344,661.44 and 136,580.06
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Solution
The fourth proportional to 249,759.74, 344,661.44 and 136,580.06 is: 188,476.65
Step by Step Solution
- Step 1: Write the proportion equation
249,759.74 : 344,661.44 = 136,580.06 : x - Step 2: Convert to fraction form
249,759.74/344,661.44 = 136,580.06/x - Step 3: Cross multiply
249,759.74x = 344,661.44 × 136,580.06 - Step 4: Simplify right side
249,759.74x = 47,073,880,333.64 - Step 5: Solve for x
x = 47,073,880,333.64/249,759.74 - Step 6: Final answer
x = 188,476.65
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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.