Finding the Fourth Proportional to 211,088.08, 291,301.68 and 114,291.64
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Solution
The fourth proportional to 211,088.08, 291,301.68 and 114,291.64 is: 157,722.53
Step by Step Solution
- Step 1: Write the proportion equation
211,088.08 : 291,301.68 = 114,291.64 : x - Step 2: Convert to fraction form
211,088.08/291,301.68 = 114,291.64/x - Step 3: Cross multiply
211,088.08x = 291,301.68 × 114,291.64 - Step 4: Simplify right side
211,088.08x = 33,293,346,741.96 - Step 5: Solve for x
x = 33,293,346,741.96/211,088.08 - Step 6: Final answer
x = 157,722.53
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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.