Finding the Fourth Proportional to 251,455.08, 346,998.96 and 138,277.02
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Solution
The fourth proportional to 251,455.08, 346,998.96 and 138,277.02 is: 190,817.31
Step by Step Solution
- Step 1: Write the proportion equation
251,455.08 : 346,998.96 = 138,277.02 : x - Step 2: Convert to fraction form
251,455.08/346,998.96 = 138,277.02/x - Step 3: Cross multiply
251,455.08x = 346,998.96 × 138,277.02 - Step 4: Simplify right side
251,455.08x = 47,981,982,131.90 - Step 5: Solve for x
x = 47,981,982,131.90/251,455.08 - Step 6: Final answer
x = 190,817.31
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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.