Finding the Fourth Proportional to 208,809.88, 313,214.81 and 51,038.08
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Solution
The fourth proportional to 208,809.88, 313,214.81 and 51,038.08 is: 76,557.12
Step by Step Solution
- Step 1: Write the proportion equation
208,809.88 : 313,214.81 = 51,038.08 : x - Step 2: Convert to fraction form
208,809.88/313,214.81 = 51,038.08/x - Step 3: Cross multiply
208,809.88x = 313,214.81 × 51,038.08 - Step 4: Simplify right side
208,809.88x = 15,985,881,874.52 - Step 5: Solve for x
x = 15,985,881,874.52/208,809.88 - Step 6: Final answer
x = 76,557.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.