Finding the Fourth Proportional to 211,355.81, 291,674.58 and 114,562.73
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Solution
The fourth proportional to 211,355.81, 291,674.58 and 114,562.73 is: 158,098.50
Step by Step Solution
- Step 1: Write the proportion equation
211,355.81 : 291,674.58 = 114,562.73 : x - Step 2: Convert to fraction form
211,355.81/291,674.58 = 114,562.73/x - Step 3: Cross multiply
211,355.81x = 291,674.58 × 114,562.73 - Step 4: Simplify right side
211,355.81x = 33,415,036,156.40 - Step 5: Solve for x
x = 33,415,036,156.40/211,355.81 - Step 6: Final answer
x = 158,098.50
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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.