Finding the Fourth Proportional to 286,177.08, 394,925.91 and 178,809.42
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Solution
The fourth proportional to 286,177.08, 394,925.91 and 178,809.42 is: 246,757.96
Step by Step Solution
- Step 1: Write the proportion equation
286,177.08 : 394,925.91 = 178,809.42 : x - Step 2: Convert to fraction form
286,177.08/394,925.91 = 178,809.42/x - Step 3: Cross multiply
286,177.08x = 394,925.91 × 178,809.42 - Step 4: Simplify right side
286,177.08x = 70,616,472,910.07 - Step 5: Solve for x
x = 70,616,472,910.07/286,177.08 - Step 6: Final answer
x = 246,757.96
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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.