Finding the Fourth Proportional to 211,437.18, 291,787.47 and 115,944.08
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Solution
The fourth proportional to 211,437.18, 291,787.47 and 115,944.08 is: 160,005.11
Step by Step Solution
- Step 1: Write the proportion equation
211,437.18 : 291,787.47 = 115,944.08 : x - Step 2: Convert to fraction form
211,437.18/291,787.47 = 115,944.08/x - Step 3: Cross multiply
211,437.18x = 291,787.47 × 115,944.08 - Step 4: Simplify right side
211,437.18x = 33,831,028,305.74 - Step 5: Solve for x
x = 33,831,028,305.74/211,437.18 - Step 6: Final answer
x = 160,005.11
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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.