Finding the Fourth Proportional to 328,943.04, 454,155.84 and 201,688.80
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Solution
The fourth proportional to 328,943.04, 454,155.84 and 201,688.80 is: 278,462.03
Step by Step Solution
- Step 1: Write the proportion equation
328,943.04 : 454,155.84 = 201,688.80 : x - Step 2: Convert to fraction form
328,943.04/454,155.84 = 201,688.80/x - Step 3: Cross multiply
328,943.04x = 454,155.84 × 201,688.80 - Step 4: Simplify right side
328,943.04x = 91,598,146,382.59 - Step 5: Solve for x
x = 91,598,146,382.59/328,943.04 - Step 6: Final answer
x = 278,462.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.