Finding the Fourth Proportional to 648,550.50, 972,812.26 and 216,299.09
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Solution
The fourth proportional to 648,550.50, 972,812.26 and 216,299.09 is: 324,444.14
Step by Step Solution
- Step 1: Write the proportion equation
648,550.50 : 972,812.26 = 216,299.09 : x - Step 2: Convert to fraction form
648,550.50/972,812.26 = 216,299.09/x - Step 3: Cross multiply
648,550.50x = 972,812.26 × 216,299.09 - Step 4: Simplify right side
648,550.50x = 210,418,409,281.25 - Step 5: Solve for x
x = 210,418,409,281.25/648,550.50 - Step 6: Final answer
x = 324,444.14
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1.5x scale
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.