Finding the Fourth Proportional to 214,719.36, 322,125.12 and 89,988.48
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Solution
The fourth proportional to 214,719.36, 322,125.12 and 89,988.48 is: 135,002.03
Step by Step Solution
- Step 1: Write the proportion equation
214,719.36 : 322,125.12 = 89,988.48 : x - Step 2: Convert to fraction form
214,719.36/322,125.12 = 89,988.48/x - Step 3: Cross multiply
214,719.36x = 322,125.12 × 89,988.48 - Step 4: Simplify right side
214,719.36x = 28,987,549,918.62 - Step 5: Solve for x
x = 28,987,549,918.62/214,719.36 - Step 6: Final answer
x = 135,002.03
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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.