Finding the Fourth Proportional to 369,329.26, 509,713.56 and 216,495.88
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Solution
The fourth proportional to 369,329.26, 509,713.56 and 216,495.88 is: 298,787.28
Step by Step Solution
- Step 1: Write the proportion equation
369,329.26 : 509,713.56 = 216,495.88 : x - Step 2: Convert to fraction form
369,329.26/509,713.56 = 216,495.88/x - Step 3: Cross multiply
369,329.26x = 509,713.56 × 216,495.88 - Step 4: Simplify right side
369,329.26x = 110,350,885,720.13 - Step 5: Solve for x
x = 110,350,885,720.13/369,329.26 - Step 6: Final answer
x = 298,787.28
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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.