Finding the Fourth Proportional to 399,149.94, 598,296.42 and 199,075.08
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Solution
The fourth proportional to 399,149.94, 598,296.42 and 199,075.08 is: 298,398.91
Step by Step Solution
- Step 1: Write the proportion equation
399,149.94 : 598,296.42 = 199,075.08 : x - Step 2: Convert to fraction form
399,149.94/598,296.42 = 199,075.08/x - Step 3: Cross multiply
399,149.94x = 598,296.42 × 199,075.08 - Step 4: Simplify right side
399,149.94x = 119,105,907,675.21 - Step 5: Solve for x
x = 119,105,907,675.21/399,149.94 - Step 6: Final answer
x = 298,398.91
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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.