Finding the Fourth Proportional to 121,787.36, 182,595.12 and 46,844.48
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Solution
The fourth proportional to 121,787.36, 182,595.12 and 46,844.48 is: 70,233.67
Step by Step Solution
- Step 1: Write the proportion equation
121,787.36 : 182,595.12 = 46,844.48 : x - Step 2: Convert to fraction form
121,787.36/182,595.12 = 46,844.48/x - Step 3: Cross multiply
121,787.36x = 182,595.12 × 46,844.48 - Step 4: Simplify right side
121,787.36x = 8,553,573,446.94 - Step 5: Solve for x
x = 8,553,573,446.94/121,787.36 - Step 6: Final answer
x = 70,233.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.