Finding the Fourth Proportional to 328,275.84, 453,055.49 and 192,423.94
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Solution
The fourth proportional to 328,275.84, 453,055.49 and 192,423.94 is: 265,565.45
Step by Step Solution
- Step 1: Write the proportion equation
328,275.84 : 453,055.49 = 192,423.94 : x - Step 2: Convert to fraction form
328,275.84/453,055.49 = 192,423.94/x - Step 3: Cross multiply
328,275.84x = 453,055.49 × 192,423.94 - Step 4: Simplify right side
328,275.84x = 87,178,722,133.65 - Step 5: Solve for x
x = 87,178,722,133.65/328,275.84 - Step 6: Final answer
x = 265,565.45
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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.