Finding the Fourth Proportional to 212,017.14, 317,947.95 and 62,218.98
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Solution
The fourth proportional to 212,017.14, 317,947.95 and 62,218.98 is: 93,305.65
Step by Step Solution
- Step 1: Write the proportion equation
212,017.14 : 317,947.95 = 62,218.98 : x - Step 2: Convert to fraction form
212,017.14/317,947.95 = 62,218.98/x - Step 3: Cross multiply
212,017.14x = 317,947.95 × 62,218.98 - Step 4: Simplify right side
212,017.14x = 19,782,397,142.09 - Step 5: Solve for x
x = 19,782,397,142.09/212,017.14 - Step 6: Final answer
x = 93,305.65
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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.