Finding the Fourth Proportional to 147,990.99, 221,999.47 and 41,376.11
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Solution
The fourth proportional to 147,990.99, 221,999.47 and 41,376.11 is: 62,067.80
Step by Step Solution
- Step 1: Write the proportion equation
147,990.99 : 221,999.47 = 41,376.11 : x - Step 2: Convert to fraction form
147,990.99/221,999.47 = 41,376.11/x - Step 3: Cross multiply
147,990.99x = 221,999.47 × 41,376.11 - Step 4: Simplify right side
147,990.99x = 9,185,474,490.66 - Step 5: Solve for x
x = 9,185,474,490.66/147,990.99 - Step 6: Final answer
x = 62,067.80
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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.