Finding the Fourth Proportional to 319,136.24, 440,400.30 and 175,893.21
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Solution
The fourth proportional to 319,136.24, 440,400.30 and 175,893.21 is: 242,728.38
Step by Step Solution
- Step 1: Write the proportion equation
319,136.24 : 440,400.30 = 175,893.21 : x - Step 2: Convert to fraction form
319,136.24/440,400.30 = 175,893.21/x - Step 3: Cross multiply
319,136.24x = 440,400.30 × 175,893.21 - Step 4: Simplify right side
319,136.24x = 77,463,422,451.96 - Step 5: Solve for x
x = 77,463,422,451.96/319,136.24 - Step 6: Final answer
x = 242,728.38
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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.