Finding the Fourth Proportional to 211,203.04, 291,457.77 and 114,405.05
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Solution
The fourth proportional to 211,203.04, 291,457.77 and 114,405.05 is: 157,877.66
Step by Step Solution
- Step 1: Write the proportion equation
211,203.04 : 291,457.77 = 114,405.05 : x - Step 2: Convert to fraction form
211,203.04/291,457.77 = 114,405.05/x - Step 3: Cross multiply
211,203.04x = 291,457.77 × 114,405.05 - Step 4: Simplify right side
211,203.04x = 33,344,240,749.74 - Step 5: Solve for x
x = 33,344,240,749.74/211,203.04 - Step 6: Final answer
x = 157,877.66
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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.