Finding the Fourth Proportional to 310,050.63, 427,843.67 and 187,588.63
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Solution
The fourth proportional to 310,050.63, 427,843.67 and 187,588.63 is: 258,856.46
Step by Step Solution
- Step 1: Write the proportion equation
310,050.63 : 427,843.67 = 187,588.63 : x - Step 2: Convert to fraction form
310,050.63/427,843.67 = 187,588.63/x - Step 3: Cross multiply
310,050.63x = 427,843.67 × 187,588.63 - Step 4: Simplify right side
310,050.63x = 80,258,608,378.44 - Step 5: Solve for x
x = 80,258,608,378.44/310,050.63 - Step 6: Final answer
x = 258,856.46
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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.