Finding the Fourth Proportional to 581,921.31, 803,043.68 and 327,272.49
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Solution
The fourth proportional to 581,921.31, 803,043.68 and 327,272.49 is: 451,631.69
Step by Step Solution
- Step 1: Write the proportion equation
581,921.31 : 803,043.68 = 327,272.49 : x - Step 2: Convert to fraction form
581,921.31/803,043.68 = 327,272.49/x - Step 3: Cross multiply
581,921.31x = 803,043.68 × 327,272.49 - Step 4: Simplify right side
581,921.31x = 262,814,103,096.00 - Step 5: Solve for x
x = 262,814,103,096.00/581,921.31 - Step 6: Final answer
x = 451,631.69
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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.