Finding the Fourth Proportional to 211,316.18, 291,614.58 and 115,822.64
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Solution
The fourth proportional to 211,316.18, 291,614.58 and 115,822.64 is: 159,834.29
Step by Step Solution
- Step 1: Write the proportion equation
211,316.18 : 291,614.58 = 115,822.64 : x - Step 2: Convert to fraction form
211,316.18/291,614.58 = 115,822.64/x - Step 3: Cross multiply
211,316.18x = 291,614.58 × 115,822.64 - Step 4: Simplify right side
211,316.18x = 33,775,571,247.13 - Step 5: Solve for x
x = 33,775,571,247.13/211,316.18 - Step 6: Final answer
x = 159,834.29
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1.5x scale
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.