Finding the Fourth Proportional to 199,519.74, 275,384.52 and 114,686.10
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Solution
The fourth proportional to 199,519.74, 275,384.52 and 114,686.10 is: 158,293.99
Step by Step Solution
- Step 1: Write the proportion equation
199,519.74 : 275,384.52 = 114,686.10 : x - Step 2: Convert to fraction form
199,519.74/275,384.52 = 114,686.10/x - Step 3: Cross multiply
199,519.74x = 275,384.52 × 114,686.10 - Step 4: Simplify right side
199,519.74x = 31,582,776,599.17 - Step 5: Solve for x
x = 31,582,776,599.17/199,519.74 - Step 6: Final answer
x = 158,293.99
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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.