Finding the Fourth Proportional to 366,412.84, 549,620.49 and 129,762.43
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Solution
The fourth proportional to 366,412.84, 549,620.49 and 129,762.43 is: 194,644.08
Step by Step Solution
- Step 1: Write the proportion equation
366,412.84 : 549,620.49 = 129,762.43 : x - Step 2: Convert to fraction form
366,412.84/549,620.49 = 129,762.43/x - Step 3: Cross multiply
366,412.84x = 549,620.49 × 129,762.43 - Step 4: Simplify right side
366,412.84x = 71,320,090,360.19 - Step 5: Solve for x
x = 71,320,090,360.19/366,412.84 - Step 6: Final answer
x = 194,644.08
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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.