Finding the Fourth Proportional to 163,589.97, 245,385.11 and 51,278.97
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Solution
The fourth proportional to 163,589.97, 245,385.11 and 51,278.97 is: 76,918.50
Step by Step Solution
- Step 1: Write the proportion equation
163,589.97 : 245,385.11 = 51,278.97 : x - Step 2: Convert to fraction form
163,589.97/245,385.11 = 51,278.97/x - Step 3: Cross multiply
163,589.97x = 245,385.11 × 51,278.97 - Step 4: Simplify right side
163,589.97x = 12,583,095,437.74 - Step 5: Solve for x
x = 12,583,095,437.74/163,589.97 - Step 6: Final answer
x = 76,918.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.