Finding the Fourth Proportional to 275,729.52, 380,409.84 and 180,292.08
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Solution
The fourth proportional to 275,729.52, 380,409.84 and 180,292.08 is: 248,739.71
Step by Step Solution
- Step 1: Write the proportion equation
275,729.52 : 380,409.84 = 180,292.08 : x - Step 2: Convert to fraction form
275,729.52/380,409.84 = 180,292.08/x - Step 3: Cross multiply
275,729.52x = 380,409.84 × 180,292.08 - Step 4: Simplify right side
275,729.52x = 68,584,881,306.07 - Step 5: Solve for x
x = 68,584,881,306.07/275,729.52 - Step 6: Final answer
x = 248,739.71
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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.