Finding the Fourth Proportional to 539,674.21, 809,363.54 and 202,688.80
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Solution
The fourth proportional to 539,674.21, 809,363.54 and 202,688.80 is: 303,977.70
Step by Step Solution
- Step 1: Write the proportion equation
539,674.21 : 809,363.54 = 202,688.80 : x - Step 2: Convert to fraction form
539,674.21/809,363.54 = 202,688.80/x - Step 3: Cross multiply
539,674.21x = 809,363.54 × 202,688.80 - Step 4: Simplify right side
539,674.21x = 164,048,923,169.67 - Step 5: Solve for x
x = 164,048,923,169.67/539,674.21 - Step 6: Final answer
x = 303,977.70
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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.