Finding the Fourth Proportional to 211,275.23, 291,562.11 and 115,779.88
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Solution
The fourth proportional to 211,275.23, 291,562.11 and 115,779.88 is: 159,777.49
Step by Step Solution
- Step 1: Write the proportion equation
211,275.23 : 291,562.11 = 115,779.88 : x - Step 2: Convert to fraction form
211,275.23/291,562.11 = 115,779.88/x - Step 3: Cross multiply
211,275.23x = 291,562.11 × 115,779.88 - Step 4: Simplify right side
211,275.23x = 33,757,026,108.35 - Step 5: Solve for x
x = 33,757,026,108.35/211,275.23 - Step 6: Final answer
x = 159,777.49
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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.