Finding the Fourth Proportional to 490,938.08, 736,324.96 and 135,987.84
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Solution
The fourth proportional to 490,938.08, 736,324.96 and 135,987.84 is: 203,959.00
Step by Step Solution
- Step 1: Write the proportion equation
490,938.08 : 736,324.96 = 135,987.84 : x - Step 2: Convert to fraction form
490,938.08/736,324.96 = 135,987.84/x - Step 3: Cross multiply
490,938.08x = 736,324.96 × 135,987.84 - Step 4: Simplify right side
490,938.08x = 100,131,240,848.49 - Step 5: Solve for x
x = 100,131,240,848.49/490,938.08 - Step 6: Final answer
x = 203,959.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.