Finding the Fourth Proportional to 634,461.09, 951,311.47 and 201,991.65
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Solution
The fourth proportional to 634,461.09, 951,311.47 and 201,991.65 is: 302,866.44
Step by Step Solution
- Step 1: Write the proportion equation
634,461.09 : 951,311.47 = 201,991.65 : x - Step 2: Convert to fraction form
634,461.09/951,311.47 = 201,991.65/x - Step 3: Cross multiply
634,461.09x = 951,311.47 × 201,991.65 - Step 4: Simplify right side
634,461.09x = 192,156,973,489.23 - Step 5: Solve for x
x = 192,156,973,489.23/634,461.09 - Step 6: Final answer
x = 302,866.44
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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.