Finding the Fourth Proportional to 202,389.47, 279,322.09 and 117,506.53
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Solution
The fourth proportional to 202,389.47, 279,322.09 and 117,506.53 is: 162,173.31
Step by Step Solution
- Step 1: Write the proportion equation
202,389.47 : 279,322.09 = 117,506.53 : x - Step 2: Convert to fraction form
202,389.47/279,322.09 = 117,506.53/x - Step 3: Cross multiply
202,389.47x = 279,322.09 × 117,506.53 - Step 4: Simplify right side
202,389.47x = 32,822,169,603.63 - Step 5: Solve for x
x = 32,822,169,603.63/202,389.47 - Step 6: Final answer
x = 162,173.31
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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.