Finding the Fourth Proportional to 202,925.54, 279,973.77 and 122,377.70
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Solution
The fourth proportional to 202,925.54, 279,973.77 and 122,377.70 is: 168,842.95
Step by Step Solution
- Step 1: Write the proportion equation
202,925.54 : 279,973.77 = 122,377.70 : x - Step 2: Convert to fraction form
202,925.54/279,973.77 = 122,377.70/x - Step 3: Cross multiply
202,925.54x = 279,973.77 × 122,377.70 - Step 4: Simplify right side
202,925.54x = 34,262,546,032.93 - Step 5: Solve for x
x = 34,262,546,032.93/202,925.54 - Step 6: Final answer
x = 168,842.95
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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.