Finding the Fourth Proportional to 832,989.12, 1,249,472.61 and 201,908.40
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Solution
The fourth proportional to 832,989.12, 1,249,472.61 and 201,908.40 is: 302,859.92
Step by Step Solution
- Step 1: Write the proportion equation
832,989.12 : 1,249,472.61 = 201,908.40 : x - Step 2: Convert to fraction form
832,989.12/1,249,472.61 = 201,908.40/x - Step 3: Cross multiply
832,989.12x = 1,249,472.61 × 201,908.40 - Step 4: Simplify right side
832,989.12x = 252,279,015,528.92 - Step 5: Solve for x
x = 252,279,015,528.92/832,989.12 - Step 6: Final answer
x = 302,859.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.