Finding the Fourth Proportional to 441,242.29, 661,402.63 and 216,291.25
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Solution
The fourth proportional to 441,242.29, 661,402.63 and 216,291.25 is: 324,210.99
Step by Step Solution
- Step 1: Write the proportion equation
441,242.29 : 661,402.63 = 216,291.25 : x - Step 2: Convert to fraction form
441,242.29/661,402.63 = 216,291.25/x - Step 3: Cross multiply
441,242.29x = 661,402.63 × 216,291.25 - Step 4: Simplify right side
441,242.29x = 143,055,601,595.99 - Step 5: Solve for x
x = 143,055,601,595.99/441,242.29 - Step 6: Final answer
x = 324,210.99
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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.