Finding the Fourth Proportional to 375,445.18, 518,111.67 and 203,359.26
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Solution
The fourth proportional to 375,445.18, 518,111.67 and 203,359.26 is: 280,634.33
Step by Step Solution
- Step 1: Write the proportion equation
375,445.18 : 518,111.67 = 203,359.26 : x - Step 2: Convert to fraction form
375,445.18/518,111.67 = 203,359.26/x - Step 3: Cross multiply
375,445.18x = 518,111.67 × 203,359.26 - Step 4: Simplify right side
375,445.18x = 105,362,805,808.56 - Step 5: Solve for x
x = 105,362,805,808.56/375,445.18 - Step 6: Final answer
x = 280,634.33
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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.