Finding the Fourth Proportional to 375,463.52, 518,135.34 and 203,378.20
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Solution
The fourth proportional to 375,463.52, 518,135.34 and 203,378.20 is: 280,659.58
Step by Step Solution
- Step 1: Write the proportion equation
375,463.52 : 518,135.34 = 203,378.20 : x - Step 2: Convert to fraction form
375,463.52/518,135.34 = 203,378.20/x - Step 3: Cross multiply
375,463.52x = 518,135.34 × 203,378.20 - Step 4: Simplify right side
375,463.52x = 105,377,432,805.59 - Step 5: Solve for x
x = 105,377,432,805.59/375,463.52 - Step 6: Final answer
x = 280,659.58
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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.