Finding the Fourth Proportional to 369,477.41, 509,884.49 and 216,478.98
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Solution
The fourth proportional to 369,477.41, 509,884.49 and 216,478.98 is: 298,744.32
Step by Step Solution
- Step 1: Write the proportion equation
369,477.41 : 509,884.49 = 216,478.98 : x - Step 2: Convert to fraction form
369,477.41/509,884.49 = 216,478.98/x - Step 3: Cross multiply
369,477.41x = 509,884.49 × 216,478.98 - Step 4: Simplify right side
369,477.41x = 110,379,274,854.22 - Step 5: Solve for x
x = 110,379,274,854.22/369,477.41 - Step 6: Final answer
x = 298,744.32
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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.