Finding the Fourth Proportional to 331,931.12, 458,106.16 and 202,843.04
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Solution
The fourth proportional to 331,931.12, 458,106.16 and 202,843.04 is: 279,948.58
Step by Step Solution
- Step 1: Write the proportion equation
331,931.12 : 458,106.16 = 202,843.04 : x - Step 2: Convert to fraction form
331,931.12/458,106.16 = 202,843.04/x - Step 3: Cross multiply
331,931.12x = 458,106.16 × 202,843.04 - Step 4: Simplify right side
331,931.12x = 92,923,646,137.13 - Step 5: Solve for x
x = 92,923,646,137.13/331,931.12 - Step 6: Final answer
x = 279,948.58
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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.