Finding the Fourth Proportional to 372,866.14, 514,391.34 and 251,963.38
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Solution
The fourth proportional to 372,866.14, 514,391.34 and 251,963.38 is: 347,598.69
Step by Step Solution
- Step 1: Write the proportion equation
372,866.14 : 514,391.34 = 251,963.38 : x - Step 2: Convert to fraction form
372,866.14/514,391.34 = 251,963.38/x - Step 3: Cross multiply
372,866.14x = 514,391.34 × 251,963.38 - Step 4: Simplify right side
372,866.14x = 129,607,780,669.13 - Step 5: Solve for x
x = 129,607,780,669.13/372,866.14 - Step 6: Final answer
x = 347,598.69
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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.