Finding the Fourth Proportional to 399,751.99, 599,562.30 and 143,531.52
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Solution
The fourth proportional to 399,751.99, 599,562.30 and 143,531.52 is: 215,273.70
Step by Step Solution
- Step 1: Write the proportion equation
399,751.99 : 599,562.30 = 143,531.52 : x - Step 2: Convert to fraction form
399,751.99/599,562.30 = 143,531.52/x - Step 3: Cross multiply
399,751.99x = 599,562.30 × 143,531.52 - Step 4: Simplify right side
399,751.99x = 86,056,088,253.70 - Step 5: Solve for x
x = 86,056,088,253.70/399,751.99 - Step 6: Final answer
x = 215,273.70
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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.