Finding the Fourth Proportional to 322,881.12, 445,637.61 and 213,793.02
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Solution
The fourth proportional to 322,881.12, 445,637.61 and 213,793.02 is: 295,075.20
Step by Step Solution
- Step 1: Write the proportion equation
322,881.12 : 445,637.61 = 213,793.02 : x - Step 2: Convert to fraction form
322,881.12/445,637.61 = 213,793.02/x - Step 3: Cross multiply
322,881.12x = 445,637.61 × 213,793.02 - Step 4: Simplify right side
322,881.12x = 95,274,210,467.48 - Step 5: Solve for x
x = 95,274,210,467.48/322,881.12 - Step 6: Final answer
x = 295,075.20
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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.