Finding the Fourth Proportional to 211,305.22, 291,587.98 and 115,805.14
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Solution
The fourth proportional to 211,305.22, 291,587.98 and 115,805.14 is: 159,803.85
Step by Step Solution
- Step 1: Write the proportion equation
211,305.22 : 291,587.98 = 115,805.14 : x - Step 2: Convert to fraction form
211,305.22/291,587.98 = 115,805.14/x - Step 3: Cross multiply
211,305.22x = 291,587.98 × 115,805.14 - Step 4: Simplify right side
211,305.22x = 33,767,386,846.22 - Step 5: Solve for x
x = 33,767,386,846.22/211,305.22 - Step 6: Final answer
x = 159,803.85
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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.