Finding the Fourth Proportional to 357,457.75, 493,075.07 and 212,167.80
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Solution
The fourth proportional to 357,457.75, 493,075.07 and 212,167.80 is: 292,662.99
Step by Step Solution
- Step 1: Write the proportion equation
357,457.75 : 493,075.07 = 212,167.80 : x - Step 2: Convert to fraction form
357,457.75/493,075.07 = 212,167.80/x - Step 3: Cross multiply
357,457.75x = 493,075.07 × 212,167.80 - Step 4: Simplify right side
357,457.75x = 104,614,652,150.25 - Step 5: Solve for x
x = 104,614,652,150.25/357,457.75 - Step 6: Final answer
x = 292,662.99
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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.