Finding the Fourth Proportional to 621,810.70, 932,716.05 and 201,129.10
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Solution
The fourth proportional to 621,810.70, 932,716.05 and 201,129.10 is: 301,693.65
Step by Step Solution
- Step 1: Write the proportion equation
621,810.70 : 932,716.05 = 201,129.10 : x - Step 2: Convert to fraction form
621,810.70/932,716.05 = 201,129.10/x - Step 3: Cross multiply
621,810.70x = 932,716.05 × 201,129.10 - Step 4: Simplify right side
621,810.70x = 187,596,339,692.06 - Step 5: Solve for x
x = 187,596,339,692.06/621,810.70 - Step 6: Final answer
x = 301,693.65
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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.