Finding the Fourth Proportional to 369,251.88, 509,737.68 and 216,268.80
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Solution
The fourth proportional to 369,251.88, 509,737.68 and 216,268.80 is: 298,550.56
Step by Step Solution
- Step 1: Write the proportion equation
369,251.88 : 509,737.68 = 216,268.80 : x - Step 2: Convert to fraction form
369,251.88/509,737.68 = 216,268.80/x - Step 3: Cross multiply
369,251.88x = 509,737.68 × 216,268.80 - Step 4: Simplify right side
369,251.88x = 110,240,356,368.38 - Step 5: Solve for x
x = 110,240,356,368.38/369,251.88 - Step 6: Final answer
x = 298,550.56
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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.