Finding the Fourth Proportional to 211,342.14, 291,653.43 and 115,848.54
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Solution
The fourth proportional to 211,342.14, 291,653.43 and 115,848.54 is: 159,871.69
Step by Step Solution
- Step 1: Write the proportion equation
211,342.14 : 291,653.43 = 115,848.54 : x - Step 2: Convert to fraction form
211,342.14/291,653.43 = 115,848.54/x - Step 3: Cross multiply
211,342.14x = 291,653.43 × 115,848.54 - Step 4: Simplify right side
211,342.14x = 33,787,624,051.49 - Step 5: Solve for x
x = 33,787,624,051.49/211,342.14 - Step 6: Final answer
x = 159,871.69
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1.5x scale
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.