Finding the Fourth Proportional to 648,235.40, 972,353.09 and 174,920.00
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Solution
The fourth proportional to 648,235.40, 972,353.09 and 174,920.00 is: 262,379.99
Step by Step Solution
- Step 1: Write the proportion equation
648,235.40 : 972,353.09 = 174,920.00 : x - Step 2: Convert to fraction form
648,235.40/972,353.09 = 174,920.00/x - Step 3: Cross multiply
648,235.40x = 972,353.09 × 174,920.00 - Step 4: Simplify right side
648,235.40x = 170,083,996,766.44 - Step 5: Solve for x
x = 170,083,996,766.44/648,235.40 - Step 6: Final answer
x = 262,379.99
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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.