Finding the Fourth Proportional to 403,729.20, 605,593.80 and 291,754.80
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Solution
The fourth proportional to 403,729.20, 605,593.80 and 291,754.80 is: 437,632.20
Step by Step Solution
- Step 1: Write the proportion equation
403,729.20 : 605,593.80 = 291,754.80 : x - Step 2: Convert to fraction form
403,729.20/605,593.80 = 291,754.80/x - Step 3: Cross multiply
403,729.20x = 605,593.80 × 291,754.80 - Step 4: Simplify right side
403,729.20x = 176,684,898,000.24 - Step 5: Solve for x
x = 176,684,898,000.24/403,729.20 - Step 6: Final answer
x = 437,632.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.