Finding the Fourth Proportional to 369,077.13, 509,324.13 and 207,983.93
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Solution
The fourth proportional to 369,077.13, 509,324.13 and 207,983.93 is: 287,016.52
Step by Step Solution
- Step 1: Write the proportion equation
369,077.13 : 509,324.13 = 207,983.93 : x - Step 2: Convert to fraction form
369,077.13/509,324.13 = 207,983.93/x - Step 3: Cross multiply
369,077.13x = 509,324.13 × 207,983.93 - Step 4: Simplify right side
369,077.13x = 105,931,234,201.23 - Step 5: Solve for x
x = 105,931,234,201.23/369,077.13 - Step 6: Final answer
x = 287,016.52
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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.