Finding the Fourth Proportional to 199,828.90, 299,743.35 and 155,214.10
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Solution
The fourth proportional to 199,828.90, 299,743.35 and 155,214.10 is: 232,821.15
Step by Step Solution
- Step 1: Write the proportion equation
199,828.90 : 299,743.35 = 155,214.10 : x - Step 2: Convert to fraction form
199,828.90/299,743.35 = 155,214.10/x - Step 3: Cross multiply
199,828.90x = 299,743.35 × 155,214.10 - Step 4: Simplify right side
199,828.90x = 46,524,394,301.24 - Step 5: Solve for x
x = 46,524,394,301.24/199,828.90 - Step 6: Final answer
x = 232,821.15
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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.