Finding the Fourth Proportional to 202,486.64, 279,434.52 and 117,603.70
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Solution
The fourth proportional to 202,486.64, 279,434.52 and 117,603.70 is: 162,294.82
Step by Step Solution
- Step 1: Write the proportion equation
202,486.64 : 279,434.52 = 117,603.70 : x - Step 2: Convert to fraction form
202,486.64/279,434.52 = 117,603.70/x - Step 3: Cross multiply
202,486.64x = 279,434.52 × 117,603.70 - Step 4: Simplify right side
202,486.64x = 32,862,533,459.72 - Step 5: Solve for x
x = 32,862,533,459.72/202,486.64 - Step 6: Final answer
x = 162,294.82
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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.