Finding the Fourth Proportional to 403,748.20, 605,622.30 and 291,773.80
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Solution
The fourth proportional to 403,748.20, 605,622.30 and 291,773.80 is: 437,660.70
Step by Step Solution
- Step 1: Write the proportion equation
403,748.20 : 605,622.30 = 291,773.80 : x - Step 2: Convert to fraction form
403,748.20/605,622.30 = 291,773.80/x - Step 3: Cross multiply
403,748.20x = 605,622.30 × 291,773.80 - Step 4: Simplify right side
403,748.20x = 176,704,719,835.74 - Step 5: Solve for x
x = 176,704,719,835.74/403,748.20 - Step 6: Final answer
x = 437,660.70
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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.