Finding the Fourth Proportional to 426,988.14, 589,245.95 and 233,396.11
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Solution
The fourth proportional to 426,988.14, 589,245.95 and 233,396.11 is: 322,087.90
Step by Step Solution
- Step 1: Write the proportion equation
426,988.14 : 589,245.95 = 233,396.11 : x - Step 2: Convert to fraction form
426,988.14/589,245.95 = 233,396.11/x - Step 3: Cross multiply
426,988.14x = 589,245.95 × 233,396.11 - Step 4: Simplify right side
426,988.14x = 137,527,712,563.25 - Step 5: Solve for x
x = 137,527,712,563.25/426,988.14 - Step 6: Final answer
x = 322,087.90
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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.