Finding the Fourth Proportional to 403,724.20, 605,586.30 and 291,749.80
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Solution
The fourth proportional to 403,724.20, 605,586.30 and 291,749.80 is: 437,624.70
Step by Step Solution
- Step 1: Write the proportion equation
403,724.20 : 605,586.30 = 291,749.80 : x - Step 2: Convert to fraction form
403,724.20/605,586.30 = 291,749.80/x - Step 3: Cross multiply
403,724.20x = 605,586.30 × 291,749.80 - Step 4: Simplify right side
403,724.20x = 176,679,681,907.74 - Step 5: Solve for x
x = 176,679,681,907.74/403,724.20 - Step 6: Final answer
x = 437,624.70
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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.