Finding the Fourth Proportional to 202,830.41, 279,894.47 and 112,181.09
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Solution
The fourth proportional to 202,830.41, 279,894.47 and 112,181.09 is: 154,803.54
Step by Step Solution
- Step 1: Write the proportion equation
202,830.41 : 279,894.47 = 112,181.09 : x - Step 2: Convert to fraction form
202,830.41/279,894.47 = 112,181.09/x - Step 3: Cross multiply
202,830.41x = 279,894.47 × 112,181.09 - Step 4: Simplify right side
202,830.41x = 31,398,864,769.19 - Step 5: Solve for x
x = 31,398,864,769.19/202,830.41 - Step 6: Final answer
x = 154,803.54
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1.5x scale
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.