Finding the Fourth Proportional to 163,555.50, 245,270.98 and 107,380.58
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Solution
The fourth proportional to 163,555.50, 245,270.98 and 107,380.58 is: 161,029.99
Step by Step Solution
- Step 1: Write the proportion equation
163,555.50 : 245,270.98 = 107,380.58 : x - Step 2: Convert to fraction form
163,555.50/245,270.98 = 107,380.58/x - Step 3: Cross multiply
163,555.50x = 245,270.98 × 107,380.58 - Step 4: Simplify right side
163,555.50x = 26,337,339,821.12 - Step 5: Solve for x
x = 26,337,339,821.12/163,555.50 - Step 6: Final answer
x = 161,029.99
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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.