Finding the Fourth Proportional to 199,441.98, 275,331.47 and 154,017.99
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Solution
The fourth proportional to 199,441.98, 275,331.47 and 154,017.99 is: 212,623.23
Step by Step Solution
- Step 1: Write the proportion equation
199,441.98 : 275,331.47 = 154,017.99 : x - Step 2: Convert to fraction form
199,441.98/275,331.47 = 154,017.99/x - Step 3: Cross multiply
199,441.98x = 275,331.47 × 154,017.99 - Step 4: Simplify right side
199,441.98x = 42,405,998,823.06 - Step 5: Solve for x
x = 42,405,998,823.06/199,441.98 - Step 6: Final answer
x = 212,623.23
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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.