Finding the Fourth Proportional to 409,762.88, 565,579.84 and 266,914.88
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Solution
The fourth proportional to 409,762.88, 565,579.84 and 266,914.88 is: 368,412.28
Step by Step Solution
- Step 1: Write the proportion equation
409,762.88 : 565,579.84 = 266,914.88 : x - Step 2: Convert to fraction form
409,762.88/565,579.84 = 266,914.88/x - Step 3: Cross multiply
409,762.88x = 565,579.84 × 266,914.88 - Step 4: Simplify right side
409,762.88x = 150,961,675,124.02 - Step 5: Solve for x
x = 150,961,675,124.02/409,762.88 - Step 6: Final answer
x = 368,412.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.