Finding the Fourth Proportional to 411,922.60, 617,192.70 and 201,106.60
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Solution
The fourth proportional to 411,922.60, 617,192.70 and 201,106.60 is: 301,322.45
Step by Step Solution
- Step 1: Write the proportion equation
411,922.60 : 617,192.70 = 201,106.60 : x - Step 2: Convert to fraction form
411,922.60/617,192.70 = 201,106.60/x - Step 3: Cross multiply
411,922.60x = 617,192.70 × 201,106.60 - Step 4: Simplify right side
411,922.60x = 124,121,525,441.82 - Step 5: Solve for x
x = 124,121,525,441.82/411,922.60 - Step 6: Final answer
x = 301,322.45
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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.