Finding the Fourth Proportional to 457,087.14, 630,782.97 and 253,144.26
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Solution
The fourth proportional to 457,087.14, 630,782.97 and 253,144.26 is: 349,340.58
Step by Step Solution
- Step 1: Write the proportion equation
457,087.14 : 630,782.97 = 253,144.26 : x - Step 2: Convert to fraction form
457,087.14/630,782.97 = 253,144.26/x - Step 3: Cross multiply
457,087.14x = 630,782.97 × 253,144.26 - Step 4: Simplify right side
457,087.14x = 159,679,088,161.25 - Step 5: Solve for x
x = 159,679,088,161.25/457,087.14 - Step 6: Final answer
x = 349,340.58
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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.