Finding the Fourth Proportional to 371,884.78, 513,201.06 and 202,118.92
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Solution
The fourth proportional to 371,884.78, 513,201.06 and 202,118.92 is: 278,924.14
Step by Step Solution
- Step 1: Write the proportion equation
371,884.78 : 513,201.06 = 202,118.92 : x - Step 2: Convert to fraction form
371,884.78/513,201.06 = 202,118.92/x - Step 3: Cross multiply
371,884.78x = 513,201.06 × 202,118.92 - Step 4: Simplify right side
371,884.78x = 103,727,643,990.06 - Step 5: Solve for x
x = 103,727,643,990.06/371,884.78 - Step 6: Final answer
x = 278,924.14
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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.