Finding the Fourth Proportional to 832,990.12, 1,249,474.11 and 201,909.40
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Solution
The fourth proportional to 832,990.12, 1,249,474.11 and 201,909.40 is: 302,861.42
Step by Step Solution
- Step 1: Write the proportion equation
832,990.12 : 1,249,474.11 = 201,909.40 : x - Step 2: Convert to fraction form
832,990.12/1,249,474.11 = 201,909.40/x - Step 3: Cross multiply
832,990.12x = 1,249,474.11 × 201,909.40 - Step 4: Simplify right side
832,990.12x = 252,280,567,865.63 - Step 5: Solve for x
x = 252,280,567,865.63/832,990.12 - Step 6: Final answer
x = 302,861.42
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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.