Finding the Fourth Proportional to 211,291.55, 291,580.66 and 115,798.02
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Solution
The fourth proportional to 211,291.55, 291,580.66 and 115,798.02 is: 159,800.35
Step by Step Solution
- Step 1: Write the proportion equation
211,291.55 : 291,580.66 = 115,798.02 : x - Step 2: Convert to fraction form
211,291.55/291,580.66 = 115,798.02/x - Step 3: Cross multiply
211,291.55x = 291,580.66 × 115,798.02 - Step 4: Simplify right side
211,291.55x = 33,764,463,098.29 - Step 5: Solve for x
x = 33,764,463,098.29/211,291.55 - Step 6: Final answer
x = 159,800.35
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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.