Finding the Fourth Proportional to 319,197.64, 440,487.98 and 175,954.62
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Solution
The fourth proportional to 319,197.64, 440,487.98 and 175,954.62 is: 242,814.75
Step by Step Solution
- Step 1: Write the proportion equation
319,197.64 : 440,487.98 = 175,954.62 : x - Step 2: Convert to fraction form
319,197.64/440,487.98 = 175,954.62/x - Step 3: Cross multiply
319,197.64x = 440,487.98 × 175,954.62 - Step 4: Simplify right side
319,197.64x = 77,505,895,135.47 - Step 5: Solve for x
x = 77,505,895,135.47/319,197.64 - Step 6: Final answer
x = 242,814.75
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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.