Finding the Fourth Proportional to 401,176.80, 601,619.40 and 201,430.80
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Solution
The fourth proportional to 401,176.80, 601,619.40 and 201,430.80 is: 302,072.99
Step by Step Solution
- Step 1: Write the proportion equation
401,176.80 : 601,619.40 = 201,430.80 : x - Step 2: Convert to fraction form
401,176.80/601,619.40 = 201,430.80/x - Step 3: Cross multiply
401,176.80x = 601,619.40 × 201,430.80 - Step 4: Simplify right side
401,176.80x = 121,184,677,037.52 - Step 5: Solve for x
x = 121,184,677,037.52/401,176.80 - Step 6: Final answer
x = 302,072.99
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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.