Finding the Fourth Proportional to 275,921.93, 380,910.05 and 180,574.26
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Solution
The fourth proportional to 275,921.93, 380,910.05 and 180,574.26 is: 249,282.65
Step by Step Solution
- Step 1: Write the proportion equation
275,921.93 : 380,910.05 = 180,574.26 : x - Step 2: Convert to fraction form
275,921.93/380,910.05 = 180,574.26/x - Step 3: Cross multiply
275,921.93x = 380,910.05 × 180,574.26 - Step 4: Simplify right side
275,921.93x = 68,782,549,502.44 - Step 5: Solve for x
x = 68,782,549,502.44/275,921.93 - Step 6: Final answer
x = 249,282.65
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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.