Finding the Fourth Proportional to 328,425.84, 453,227.28 and 177,522.96
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Solution
The fourth proportional to 328,425.84, 453,227.28 and 177,522.96 is: 244,981.48
Step by Step Solution
- Step 1: Write the proportion equation
328,425.84 : 453,227.28 = 177,522.96 : x - Step 2: Convert to fraction form
328,425.84/453,227.28 = 177,522.96/x - Step 3: Cross multiply
328,425.84x = 453,227.28 × 177,522.96 - Step 4: Simplify right side
328,425.84x = 80,458,248,298.35 - Step 5: Solve for x
x = 80,458,248,298.35/328,425.84 - Step 6: Final answer
x = 244,981.48
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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.