Finding the Fourth Proportional to 258,830.95, 388,213.35 and 192,368.02
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Solution
The fourth proportional to 258,830.95, 388,213.35 and 192,368.02 is: 288,527.45
Step by Step Solution
- Step 1: Write the proportion equation
258,830.95 : 388,213.35 = 192,368.02 : x - Step 2: Convert to fraction form
258,830.95/388,213.35 = 192,368.02/x - Step 3: Cross multiply
258,830.95x = 388,213.35 × 192,368.02 - Step 4: Simplify right side
258,830.95x = 74,679,833,477.07 - Step 5: Solve for x
x = 74,679,833,477.07/258,830.95 - Step 6: Final answer
x = 288,527.45
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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.