Finding the Fourth Proportional to 133,235.36, 199,714.16 and 54,316.96
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Solution
The fourth proportional to 133,235.36, 199,714.16 and 54,316.96 is: 81,418.82
Step by Step Solution
- Step 1: Write the proportion equation
133,235.36 : 199,714.16 = 54,316.96 : x - Step 2: Convert to fraction form
133,235.36/199,714.16 = 54,316.96/x - Step 3: Cross multiply
133,235.36x = 199,714.16 × 54,316.96 - Step 4: Simplify right side
133,235.36x = 10,847,866,040.15 - Step 5: Solve for x
x = 10,847,866,040.15/133,235.36 - Step 6: Final answer
x = 81,418.82
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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.