Finding the Fourth Proportional to 186,128.04, 256,857.30 and 101,245.08
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Solution
The fourth proportional to 186,128.04, 256,857.30 and 101,245.08 is: 139,718.54
Step by Step Solution
- Step 1: Write the proportion equation
186,128.04 : 256,857.30 = 101,245.08 : x - Step 2: Convert to fraction form
186,128.04/256,857.30 = 101,245.08/x - Step 3: Cross multiply
186,128.04x = 256,857.30 × 101,245.08 - Step 4: Simplify right side
186,128.04x = 26,005,537,887.08 - Step 5: Solve for x
x = 26,005,537,887.08/186,128.04 - Step 6: Final answer
x = 139,718.54
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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.