Finding the Fourth Proportional to 372,140.61, 513,549.23 and 202,371.09
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Solution
The fourth proportional to 372,140.61, 513,549.23 and 202,371.09 is: 279,269.48
Step by Step Solution
- Step 1: Write the proportion equation
372,140.61 : 513,549.23 = 202,371.09 : x - Step 2: Convert to fraction form
372,140.61/513,549.23 = 202,371.09/x - Step 3: Cross multiply
372,140.61x = 513,549.23 × 202,371.09 - Step 4: Simplify right side
372,140.61x = 103,927,516,431.91 - Step 5: Solve for x
x = 103,927,516,431.91/372,140.61 - Step 6: Final answer
x = 279,269.48
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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.