Finding the Fourth Proportional to 477,974.14, 716,714.26 and 140,971.88
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Solution
The fourth proportional to 477,974.14, 716,714.26 and 140,971.88 is: 211,384.99
Step by Step Solution
- Step 1: Write the proportion equation
477,974.14 : 716,714.26 = 140,971.88 : x - Step 2: Convert to fraction form
477,974.14/716,714.26 = 140,971.88/x - Step 3: Cross multiply
477,974.14x = 716,714.26 × 140,971.88 - Step 4: Simplify right side
477,974.14x = 101,036,558,094.37 - Step 5: Solve for x
x = 101,036,558,094.37/477,974.14 - Step 6: Final answer
x = 211,384.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.