Finding the Fourth Proportional to 202,907.60, 280,102.16 and 121,264.66
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Solution
The fourth proportional to 202,907.60, 280,102.16 and 121,264.66 is: 167,398.82
Step by Step Solution
- Step 1: Write the proportion equation
202,907.60 : 280,102.16 = 121,264.66 : x - Step 2: Convert to fraction form
202,907.60/280,102.16 = 121,264.66/x - Step 3: Cross multiply
202,907.60x = 280,102.16 × 121,264.66 - Step 4: Simplify right side
202,907.60x = 33,966,493,197.67 - Step 5: Solve for x
x = 33,966,493,197.67/202,907.60 - Step 6: Final answer
x = 167,398.82
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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.