Finding the Fourth Proportional to 369,332.49, 509,671.67 and 208,184.48
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Solution
The fourth proportional to 369,332.49, 509,671.67 and 208,184.48 is: 287,290.53
Step by Step Solution
- Step 1: Write the proportion equation
369,332.49 : 509,671.67 = 208,184.48 : x - Step 2: Convert to fraction form
369,332.49/509,671.67 = 208,184.48/x - Step 3: Cross multiply
369,332.49x = 509,671.67 × 208,184.48 - Step 4: Simplify right side
369,332.49x = 106,105,728,000.40 - Step 5: Solve for x
x = 106,105,728,000.40/369,332.49 - Step 6: Final answer
x = 287,290.53
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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.