Finding the Fourth Proportional to 163,756.20, 245,485.80 and 58,550.70
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Solution
The fourth proportional to 163,756.20, 245,485.80 and 58,550.70 is: 87,772.95
Step by Step Solution
- Step 1: Write the proportion equation
163,756.20 : 245,485.80 = 58,550.70 : x - Step 2: Convert to fraction form
163,756.20/245,485.80 = 58,550.70/x - Step 3: Cross multiply
163,756.20x = 245,485.80 × 58,550.70 - Step 4: Simplify right side
163,756.20x = 14,373,365,430.06 - Step 5: Solve for x
x = 14,373,365,430.06/163,756.20 - Step 6: Final answer
x = 87,772.95
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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.