Finding the Fourth Proportional to 369,252.88, 509,739.06 and 216,269.80
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Solution
The fourth proportional to 369,252.88, 509,739.06 and 216,269.80 is: 298,551.94
Step by Step Solution
- Step 1: Write the proportion equation
369,252.88 : 509,739.06 = 216,269.80 : x - Step 2: Convert to fraction form
369,252.88/509,739.06 = 216,269.80/x - Step 3: Cross multiply
369,252.88x = 509,739.06 × 216,269.80 - Step 4: Simplify right side
369,252.88x = 110,241,164,558.39 - Step 5: Solve for x
x = 110,241,164,558.39/369,252.88 - Step 6: Final answer
x = 298,551.94
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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.