Finding the Fourth Proportional to 371,393.08, 512,260.14 and 228,233.68
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Solution
The fourth proportional to 371,393.08, 512,260.14 and 228,233.68 is: 314,801.28
Step by Step Solution
- Step 1: Write the proportion equation
371,393.08 : 512,260.14 = 228,233.68 : x - Step 2: Convert to fraction form
371,393.08/512,260.14 = 228,233.68/x - Step 3: Cross multiply
371,393.08x = 512,260.14 × 228,233.68 - Step 4: Simplify right side
371,393.08x = 116,915,016,869.52 - Step 5: Solve for x
x = 116,915,016,869.52/371,393.08 - Step 6: Final answer
x = 314,801.28
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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.