Finding the Fourth Proportional to 211,374.18, 291,693.02 and 115,881.53
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Solution
The fourth proportional to 211,374.18, 291,693.02 and 115,881.53 is: 159,914.67
Step by Step Solution
- Step 1: Write the proportion equation
211,374.18 : 291,693.02 = 115,881.53 : x - Step 2: Convert to fraction form
211,374.18/291,693.02 = 115,881.53/x - Step 3: Cross multiply
211,374.18x = 291,693.02 × 115,881.53 - Step 4: Simplify right side
211,374.18x = 33,801,831,410.05 - Step 5: Solve for x
x = 33,801,831,410.05/211,374.18 - Step 6: Final answer
x = 159,914.67
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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.