Finding the Fourth Proportional to 375,458.62, 518,129.79 and 203,372.59
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Solution
The fourth proportional to 375,458.62, 518,129.79 and 203,372.59 is: 280,652.49
Step by Step Solution
- Step 1: Write the proportion equation
375,458.62 : 518,129.79 = 203,372.59 : x - Step 2: Convert to fraction form
375,458.62/518,129.79 = 203,372.59/x - Step 3: Cross multiply
375,458.62x = 518,129.79 × 203,372.59 - Step 4: Simplify right side
375,458.62x = 105,373,397,348.46 - Step 5: Solve for x
x = 105,373,397,348.46/375,458.62 - Step 6: Final answer
x = 280,652.49
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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.