Finding the Fourth Proportional to 193,686.26, 290,617.02 and 98,867.48
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Solution
The fourth proportional to 193,686.26, 290,617.02 and 98,867.48 is: 148,345.95
Step by Step Solution
- Step 1: Write the proportion equation
193,686.26 : 290,617.02 = 98,867.48 : x - Step 2: Convert to fraction form
193,686.26/290,617.02 = 98,867.48/x - Step 3: Cross multiply
193,686.26x = 290,617.02 × 98,867.48 - Step 4: Simplify right side
193,686.26x = 28,732,570,959.42 - Step 5: Solve for x
x = 28,732,570,959.42/193,686.26 - Step 6: Final answer
x = 148,345.95
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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.