Finding the Fourth Proportional to 251,446.84, 346,982.16 and 138,269.68
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Solution
The fourth proportional to 251,446.84, 346,982.16 and 138,269.68 is: 190,804.20
Step by Step Solution
- Step 1: Write the proportion equation
251,446.84 : 346,982.16 = 138,269.68 : x - Step 2: Convert to fraction form
251,446.84/346,982.16 = 138,269.68/x - Step 3: Cross multiply
251,446.84x = 346,982.16 × 138,269.68 - Step 4: Simplify right side
251,446.84x = 47,977,112,228.91 - Step 5: Solve for x
x = 47,977,112,228.91/251,446.84 - Step 6: Final answer
x = 190,804.20
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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.