Finding the Fourth Proportional to 249,640.96, 344,504.54 and 134,919.26
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Solution
The fourth proportional to 249,640.96, 344,504.54 and 134,919.26 is: 186,188.59
Step by Step Solution
- Step 1: Write the proportion equation
249,640.96 : 344,504.54 = 134,919.26 : x - Step 2: Convert to fraction form
249,640.96/344,504.54 = 134,919.26/x - Step 3: Cross multiply
249,640.96x = 344,504.54 × 134,919.26 - Step 4: Simplify right side
249,640.96x = 46,480,297,603.44 - Step 5: Solve for x
x = 46,480,297,603.44/249,640.96 - Step 6: Final answer
x = 186,188.59
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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.