Finding the Fourth Proportional to 245,572.62, 338,887.77 and 136,675.14
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Solution
The fourth proportional to 245,572.62, 338,887.77 and 136,675.14 is: 188,610.33
Step by Step Solution
- Step 1: Write the proportion equation
245,572.62 : 338,887.77 = 136,675.14 : x - Step 2: Convert to fraction form
245,572.62/338,887.77 = 136,675.14/x - Step 3: Cross multiply
245,572.62x = 338,887.77 × 136,675.14 - Step 4: Simplify right side
245,572.62x = 46,317,533,409.04 - Step 5: Solve for x
x = 46,317,533,409.04/245,572.62 - Step 6: Final answer
x = 188,610.33
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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.