Finding the Fourth Proportional to 202,804.74, 303,569.28 and 139,252.95
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Solution
The fourth proportional to 202,804.74, 303,569.28 and 139,252.95 is: 208,441.47
Step by Step Solution
- Step 1: Write the proportion equation
202,804.74 : 303,569.28 = 139,252.95 : x - Step 2: Convert to fraction form
202,804.74/303,569.28 = 139,252.95/x - Step 3: Cross multiply
202,804.74x = 303,569.28 × 139,252.95 - Step 4: Simplify right side
202,804.74x = 42,272,917,769.38 - Step 5: Solve for x
x = 42,272,917,769.38/202,804.74 - Step 6: Final answer
x = 208,441.47
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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.