Finding the Fourth Proportional to 251,371.24, 346,901.22 and 138,202.60
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Solution
The fourth proportional to 251,371.24, 346,901.22 and 138,202.60 is: 190,724.49
Step by Step Solution
- Step 1: Write the proportion equation
251,371.24 : 346,901.22 = 138,202.60 : x - Step 2: Convert to fraction form
251,371.24/346,901.22 = 138,202.60/x - Step 3: Cross multiply
251,371.24x = 346,901.22 × 138,202.60 - Step 4: Simplify right side
251,371.24x = 47,942,650,547.17 - Step 5: Solve for x
x = 47,942,650,547.17/251,371.24 - Step 6: Final answer
x = 190,724.49
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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.