Finding the Fourth Proportional to 403,099.20, 604,648.80 and 146,950.99
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Solution
The fourth proportional to 403,099.20, 604,648.80 and 146,950.99 is: 220,426.48
Step by Step Solution
- Step 1: Write the proportion equation
403,099.20 : 604,648.80 = 146,950.99 : x - Step 2: Convert to fraction form
403,099.20/604,648.80 = 146,950.99/x - Step 3: Cross multiply
403,099.20x = 604,648.80 × 146,950.99 - Step 4: Simplify right side
403,099.20x = 88,853,738,250.69 - Step 5: Solve for x
x = 88,853,738,250.69/403,099.20 - Step 6: Final answer
x = 220,426.48
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Similar ratio
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1.5x scale
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.