Finding the Fourth Proportional to 211,260.58, 291,534.57 and 115,762.66
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Solution
The fourth proportional to 211,260.58, 291,534.57 and 115,762.66 is: 159,749.71
Step by Step Solution
- Step 1: Write the proportion equation
211,260.58 : 291,534.57 = 115,762.66 : x - Step 2: Convert to fraction form
211,260.58/291,534.57 = 115,762.66/x - Step 3: Cross multiply
211,260.58x = 291,534.57 × 115,762.66 - Step 4: Simplify right side
211,260.58x = 33,748,817,305.16 - Step 5: Solve for x
x = 33,748,817,305.16/211,260.58 - Step 6: Final answer
x = 159,749.71
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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.