Finding the Fourth Proportional to 299,279.24, 412,435.50 and 214,248.68
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Solution
The fourth proportional to 299,279.24, 412,435.50 and 214,248.68 is: 295,255.23
Step by Step Solution
- Step 1: Write the proportion equation
299,279.24 : 412,435.50 = 214,248.68 : x - Step 2: Convert to fraction form
299,279.24/412,435.50 = 214,248.68/x - Step 3: Cross multiply
299,279.24x = 412,435.50 × 214,248.68 - Step 4: Simplify right side
299,279.24x = 88,363,761,460.14 - Step 5: Solve for x
x = 88,363,761,460.14/299,279.24 - Step 6: Final answer
x = 295,255.23
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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.