Finding the Fourth Proportional to 149,708.88, 206,598.24 and 86,059.08
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Solution
The fourth proportional to 149,708.88, 206,598.24 and 86,059.08 is: 118,761.52
Step by Step Solution
- Step 1: Write the proportion equation
149,708.88 : 206,598.24 = 86,059.08 : x - Step 2: Convert to fraction form
149,708.88/206,598.24 = 86,059.08/x - Step 3: Cross multiply
149,708.88x = 206,598.24 × 86,059.08 - Step 4: Simplify right side
149,708.88x = 17,779,654,464.02 - Step 5: Solve for x
x = 17,779,654,464.02/149,708.88 - Step 6: Final answer
x = 118,761.52
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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.