Finding the Fourth Proportional to 245,610.08, 338,917.77 and 138,177.81
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Solution
The fourth proportional to 245,610.08, 338,917.77 and 138,177.81 is: 190,671.80
Step by Step Solution
- Step 1: Write the proportion equation
245,610.08 : 338,917.77 = 138,177.81 : x - Step 2: Convert to fraction form
245,610.08/338,917.77 = 138,177.81/x - Step 3: Cross multiply
245,610.08x = 338,917.77 × 138,177.81 - Step 4: Simplify right side
245,610.08x = 46,830,915,228.68 - Step 5: Solve for x
x = 46,830,915,228.68/245,610.08 - Step 6: Final answer
x = 190,671.80
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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.