Finding the Fourth Proportional to 371,898.04, 513,222.42 and 202,132.12
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Solution
The fourth proportional to 371,898.04, 513,222.42 and 202,132.12 is: 278,944.02
Step by Step Solution
- Step 1: Write the proportion equation
371,898.04 : 513,222.42 = 202,132.12 : x - Step 2: Convert to fraction form
371,898.04/513,222.42 = 202,132.12/x - Step 3: Cross multiply
371,898.04x = 513,222.42 × 202,132.12 - Step 4: Simplify right side
371,898.04x = 103,738,735,786.13 - Step 5: Solve for x
x = 103,738,735,786.13/371,898.04 - Step 6: Final answer
x = 278,944.02
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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.