Finding the Fourth Proportional to 323,526.88, 485,290.36 and 98,887.96
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Solution
The fourth proportional to 323,526.88, 485,290.36 and 98,887.96 is: 148,331.95
Step by Step Solution
- Step 1: Write the proportion equation
323,526.88 : 485,290.36 = 98,887.96 : x - Step 2: Convert to fraction form
323,526.88/485,290.36 = 98,887.96/x - Step 3: Cross multiply
323,526.88x = 485,290.36 × 98,887.96 - Step 4: Simplify right side
323,526.88x = 47,989,373,708.07 - Step 5: Solve for x
x = 47,989,373,708.07/323,526.88 - Step 6: Final answer
x = 148,331.95
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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.