Finding the Fourth Proportional to 375,637.48, 518,378.71 and 203,560.21
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Solution
The fourth proportional to 375,637.48, 518,378.71 and 203,560.21 is: 280,912.54
Step by Step Solution
- Step 1: Write the proportion equation
375,637.48 : 518,378.71 = 203,560.21 : x - Step 2: Convert to fraction form
375,637.48/518,378.71 = 203,560.21/x - Step 3: Cross multiply
375,637.48x = 518,378.71 × 203,560.21 - Step 4: Simplify right side
375,637.48x = 105,521,279,067.13 - Step 5: Solve for x
x = 105,521,279,067.13/375,637.48 - Step 6: Final answer
x = 280,912.54
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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.