Finding the Fourth Proportional to 211,167.01, 316,854.60 and 98,854.84
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Solution
The fourth proportional to 211,167.01, 316,854.60 and 98,854.84 is: 148,330.99
Step by Step Solution
- Step 1: Write the proportion equation
211,167.01 : 316,854.60 = 98,854.84 : x - Step 2: Convert to fraction form
211,167.01/316,854.60 = 98,854.84/x - Step 3: Cross multiply
211,167.01x = 316,854.60 × 98,854.84 - Step 4: Simplify right side
211,167.01x = 31,322,610,786.26 - Step 5: Solve for x
x = 31,322,610,786.26/211,167.01 - Step 6: Final answer
x = 148,330.99
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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.