Finding the Fourth Proportional to 163,947.80, 245,921.70 and 101,739.80
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Solution
The fourth proportional to 163,947.80, 245,921.70 and 101,739.80 is: 152,609.70
Step by Step Solution
- Step 1: Write the proportion equation
163,947.80 : 245,921.70 = 101,739.80 : x - Step 2: Convert to fraction form
163,947.80/245,921.70 = 101,739.80/x - Step 3: Cross multiply
163,947.80x = 245,921.70 × 101,739.80 - Step 4: Simplify right side
163,947.80x = 25,020,024,573.66 - Step 5: Solve for x
x = 25,020,024,573.66/163,947.80 - Step 6: Final answer
x = 152,609.70
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1.5x scale
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.