Finding the Fourth Proportional to 431,958.36, 596,221.10 and 250,728.68
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Solution
The fourth proportional to 431,958.36, 596,221.10 and 250,728.68 is: 346,074.39
Step by Step Solution
- Step 1: Write the proportion equation
431,958.36 : 596,221.10 = 250,728.68 : x - Step 2: Convert to fraction form
431,958.36/596,221.10 = 250,728.68/x - Step 3: Cross multiply
431,958.36x = 596,221.10 × 250,728.68 - Step 4: Simplify right side
431,958.36x = 149,489,725,156.40 - Step 5: Solve for x
x = 149,489,725,156.40/431,958.36 - Step 6: Final answer
x = 346,074.39
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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.