Finding the Fourth Proportional to 304,816.91, 420,852.73 and 190,269.95
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Solution
The fourth proportional to 304,816.91, 420,852.73 and 190,269.95 is: 262,700.74
Step by Step Solution
- Step 1: Write the proportion equation
304,816.91 : 420,852.73 = 190,269.95 : x - Step 2: Convert to fraction form
304,816.91/420,852.73 = 190,269.95/x - Step 3: Cross multiply
304,816.91x = 420,852.73 × 190,269.95 - Step 4: Simplify right side
304,816.91x = 80,075,625,314.53 - Step 5: Solve for x
x = 80,075,625,314.53/304,816.91 - Step 6: Final answer
x = 262,700.74
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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.