Finding the Fourth Proportional to 211,045.26, 291,243.29 and 115,551.12
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Solution
The fourth proportional to 211,045.26, 291,243.29 and 115,551.12 is: 159,461.00
Step by Step Solution
- Step 1: Write the proportion equation
211,045.26 : 291,243.29 = 115,551.12 : x - Step 2: Convert to fraction form
211,045.26/291,243.29 = 115,551.12/x - Step 3: Cross multiply
211,045.26x = 291,243.29 × 115,551.12 - Step 4: Simplify right side
211,045.26x = 33,653,487,774.23 - Step 5: Solve for x
x = 33,653,487,774.23/211,045.26 - Step 6: Final answer
x = 159,461.00
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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.