Finding the Fourth Proportional to 156,603.08, 216,112.82 and 84,983.09
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Solution
The fourth proportional to 156,603.08, 216,112.82 and 84,983.09 is: 117,276.97
Step by Step Solution
- Step 1: Write the proportion equation
156,603.08 : 216,112.82 = 84,983.09 : x - Step 2: Convert to fraction form
156,603.08/216,112.82 = 84,983.09/x - Step 3: Cross multiply
156,603.08x = 216,112.82 × 84,983.09 - Step 4: Simplify right side
156,603.08x = 18,365,935,232.21 - Step 5: Solve for x
x = 18,365,935,232.21/156,603.08 - Step 6: Final answer
x = 117,276.97
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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.