Finding the Fourth Proportional to 245,338.24, 338,602.63 and 137,917.12
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Solution
The fourth proportional to 245,338.24, 338,602.63 and 137,917.12 is: 190,345.78
Step by Step Solution
- Step 1: Write the proportion equation
245,338.24 : 338,602.63 = 137,917.12 : x - Step 2: Convert to fraction form
245,338.24/338,602.63 = 137,917.12/x - Step 3: Cross multiply
245,338.24x = 338,602.63 × 137,917.12 - Step 4: Simplify right side
245,338.24x = 46,699,099,554.03 - Step 5: Solve for x
x = 46,699,099,554.03/245,338.24 - Step 6: Final answer
x = 190,345.78
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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.