Finding the Fourth Proportional to 632,727.13, 873,163.49 and 346,247.23
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Solution
The fourth proportional to 632,727.13, 873,163.49 and 346,247.23 is: 477,821.21
Step by Step Solution
- Step 1: Write the proportion equation
632,727.13 : 873,163.49 = 346,247.23 : x - Step 2: Convert to fraction form
632,727.13/873,163.49 = 346,247.23/x - Step 3: Cross multiply
632,727.13x = 873,163.49 × 346,247.23 - Step 4: Simplify right side
632,727.13x = 302,330,439,749.63 - Step 5: Solve for x
x = 302,330,439,749.63/632,727.13 - Step 6: Final answer
x = 477,821.21
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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.