Finding the Fourth Proportional to 328,935.84, 453,935.18 and 192,972.11
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Solution
The fourth proportional to 328,935.84, 453,935.18 and 192,972.11 is: 266,303.68
Step by Step Solution
- Step 1: Write the proportion equation
328,935.84 : 453,935.18 = 192,972.11 : x - Step 2: Convert to fraction form
328,935.84/453,935.18 = 192,972.11/x - Step 3: Cross multiply
328,935.84x = 453,935.18 × 192,972.11 - Step 4: Simplify right side
328,935.84x = 87,596,826,253.29 - Step 5: Solve for x
x = 87,596,826,253.29/328,935.84 - Step 6: Final answer
x = 266,303.68
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1.5x scale
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.