Finding the Fourth Proportional to 204,116.13, 281,681.82 and 112,237.02
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Solution
The fourth proportional to 204,116.13, 281,681.82 and 112,237.02 is: 154,887.95
Step by Step Solution
- Step 1: Write the proportion equation
204,116.13 : 281,681.82 = 112,237.02 : x - Step 2: Convert to fraction form
204,116.13/281,681.82 = 112,237.02/x - Step 3: Cross multiply
204,116.13x = 281,681.82 × 112,237.02 - Step 4: Simplify right side
204,116.13x = 31,615,128,064.98 - Step 5: Solve for x
x = 31,615,128,064.98/204,116.13 - Step 6: Final answer
x = 154,887.95
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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.