Finding the Fourth Proportional to 219,238.21, 302,548.73 and 123,751.05
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Solution
The fourth proportional to 219,238.21, 302,548.73 and 123,751.05 is: 170,776.45
Step by Step Solution
- Step 1: Write the proportion equation
219,238.21 : 302,548.73 = 123,751.05 : x - Step 2: Convert to fraction form
219,238.21/302,548.73 = 123,751.05/x - Step 3: Cross multiply
219,238.21x = 302,548.73 × 123,751.05 - Step 4: Simplify right side
219,238.21x = 37,440,723,474.66 - Step 5: Solve for x
x = 37,440,723,474.66/219,238.21 - Step 6: Final answer
x = 170,776.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.