Finding the Fourth Proportional to 211,296.21, 291,588.20 and 114,502.75
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Solution
The fourth proportional to 211,296.21, 291,588.20 and 114,502.75 is: 158,013.48
Step by Step Solution
- Step 1: Write the proportion equation
211,296.21 : 291,588.20 = 114,502.75 : x - Step 2: Convert to fraction form
211,296.21/291,588.20 = 114,502.75/x - Step 3: Cross multiply
211,296.21x = 291,588.20 × 114,502.75 - Step 4: Simplify right side
211,296.21x = 33,387,648,737.10 - Step 5: Solve for x
x = 33,387,648,737.10/211,296.21 - Step 6: Final answer
x = 158,013.48
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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.