Finding the Fourth Proportional to 199,347.08, 275,017.68 and 121,782.69
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Solution
The fourth proportional to 199,347.08, 275,017.68 and 121,782.69 is: 168,010.46
Step by Step Solution
- Step 1: Write the proportion equation
199,347.08 : 275,017.68 = 121,782.69 : x - Step 2: Convert to fraction form
199,347.08/275,017.68 = 121,782.69/x - Step 3: Cross multiply
199,347.08x = 275,017.68 × 121,782.69 - Step 4: Simplify right side
199,347.08x = 33,492,392,867.96 - Step 5: Solve for x
x = 33,492,392,867.96/199,347.08 - Step 6: Final answer
x = 168,010.46
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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.