Finding the Fourth Proportional to 680,640.01, 1,021,113.65 and 225,230.08
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Solution
The fourth proportional to 680,640.01, 1,021,113.65 and 225,230.08 is: 337,895.96
Step by Step Solution
- Step 1: Write the proportion equation
680,640.01 : 1,021,113.65 = 225,230.08 : x - Step 2: Convert to fraction form
680,640.01/1,021,113.65 = 225,230.08/x - Step 3: Cross multiply
680,640.01x = 1,021,113.65 × 225,230.08 - Step 4: Simplify right side
680,640.01x = 229,985,507,952.44 - Step 5: Solve for x
x = 229,985,507,952.44/680,640.01 - Step 6: Final answer
x = 337,895.96
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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.