Finding the Fourth Proportional to 369,491.12, 509,854.41 and 208,336.56
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Solution
The fourth proportional to 369,491.12, 509,854.41 and 208,336.56 is: 287,480.02
Step by Step Solution
- Step 1: Write the proportion equation
369,491.12 : 509,854.41 = 208,336.56 : x - Step 2: Convert to fraction form
369,491.12/509,854.41 = 208,336.56/x - Step 3: Cross multiply
369,491.12x = 509,854.41 × 208,336.56 - Step 4: Simplify right side
369,491.12x = 106,221,313,880.23 - Step 5: Solve for x
x = 106,221,313,880.23/369,491.12 - Step 6: Final answer
x = 287,480.02
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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.