Finding the Fourth Proportional to 202,317.98, 279,027.39 and 121,730.45
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Solution
The fourth proportional to 202,317.98, 279,027.39 and 121,730.45 is: 167,884.88
Step by Step Solution
- Step 1: Write the proportion equation
202,317.98 : 279,027.39 = 121,730.45 : x - Step 2: Convert to fraction form
202,317.98/279,027.39 = 121,730.45/x - Step 3: Cross multiply
202,317.98x = 279,027.39 × 121,730.45 - Step 4: Simplify right side
202,317.98x = 33,966,128,808.38 - Step 5: Solve for x
x = 33,966,128,808.38/202,317.98 - Step 6: Final answer
x = 167,884.88
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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.