Finding the Fourth Proportional to 632,616.08, 873,021.12 and 346,161.20
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Solution
The fourth proportional to 632,616.08, 873,021.12 and 346,161.20 is: 477,708.44
Step by Step Solution
- Step 1: Write the proportion equation
632,616.08 : 873,021.12 = 346,161.20 : x - Step 2: Convert to fraction form
632,616.08/873,021.12 = 346,161.20/x - Step 3: Cross multiply
632,616.08x = 873,021.12 × 346,161.20 - Step 4: Simplify right side
632,616.08x = 302,206,038,524.54 - Step 5: Solve for x
x = 302,206,038,524.54/632,616.08 - Step 6: Final answer
x = 477,708.44
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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.