Finding the Fourth Proportional to 270,552.64, 405,790.08 and 112,751.68
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Solution
The fourth proportional to 270,552.64, 405,790.08 and 112,751.68 is: 169,111.32
Step by Step Solution
- Step 1: Write the proportion equation
270,552.64 : 405,790.08 = 112,751.68 : x - Step 2: Convert to fraction form
270,552.64/405,790.08 = 112,751.68/x - Step 3: Cross multiply
270,552.64x = 405,790.08 × 112,751.68 - Step 4: Simplify right side
270,552.64x = 45,753,513,247.33 - Step 5: Solve for x
x = 45,753,513,247.33/270,552.64 - Step 6: Final answer
x = 169,111.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.