Finding the Fourth Proportional to 319,130.69, 440,403.41 and 175,896.23
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Solution
The fourth proportional to 319,130.69, 440,403.41 and 175,896.23 is: 242,738.48
Step by Step Solution
- Step 1: Write the proportion equation
319,130.69 : 440,403.41 = 175,896.23 : x - Step 2: Convert to fraction form
319,130.69/440,403.41 = 175,896.23/x - Step 3: Cross multiply
319,130.69x = 440,403.41 × 175,896.23 - Step 4: Simplify right side
319,130.69x = 77,465,297,735.87 - Step 5: Solve for x
x = 77,465,297,735.87/319,130.69 - Step 6: Final answer
x = 242,738.48
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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.