Finding the Fourth Proportional to 163,507.75, 245,129.24 and 51,130.09
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Solution
The fourth proportional to 163,507.75, 245,129.24 and 51,130.09 is: 76,653.74
Step by Step Solution
- Step 1: Write the proportion equation
163,507.75 : 245,129.24 = 51,130.09 : x - Step 2: Convert to fraction form
163,507.75/245,129.24 = 51,130.09/x - Step 3: Cross multiply
163,507.75x = 245,129.24 × 51,130.09 - Step 4: Simplify right side
163,507.75x = 12,533,479,847.18 - Step 5: Solve for x
x = 12,533,479,847.18/163,507.75 - Step 6: Final answer
x = 76,653.74
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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.