Finding the Fourth Proportional to 372,986.02, 514,720.70 and 203,220.14
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Solution
The fourth proportional to 372,986.02, 514,720.70 and 203,220.14 is: 280,443.79
Step by Step Solution
- Step 1: Write the proportion equation
372,986.02 : 514,720.70 = 203,220.14 : x - Step 2: Convert to fraction form
372,986.02/514,720.70 = 203,220.14/x - Step 3: Cross multiply
372,986.02x = 514,720.70 × 203,220.14 - Step 4: Simplify right side
372,986.02x = 104,601,613,354.13 - Step 5: Solve for x
x = 104,601,613,354.13/372,986.02 - Step 6: Final answer
x = 280,443.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.