Finding the Fourth Proportional to 403,803.57, 557,252.66 and 222,521.99
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Solution
The fourth proportional to 403,803.57, 557,252.66 and 222,521.99 is: 307,082.40
Step by Step Solution
- Step 1: Write the proportion equation
403,803.57 : 557,252.66 = 222,521.99 : x - Step 2: Convert to fraction form
403,803.57/557,252.66 = 222,521.99/x - Step 3: Cross multiply
403,803.57x = 557,252.66 × 222,521.99 - Step 4: Simplify right side
403,803.57x = 124,000,968,049.73 - Step 5: Solve for x
x = 124,000,968,049.73/403,803.57 - Step 6: Final answer
x = 307,082.40
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1.5x scale
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.