Finding the Fourth Proportional to 328,297.40, 453,815.58 and 292,838.84
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Solution
The fourth proportional to 328,297.40, 453,815.58 and 292,838.84 is: 404,800.12
Step by Step Solution
- Step 1: Write the proportion equation
328,297.40 : 453,815.58 = 292,838.84 : x - Step 2: Convert to fraction form
328,297.40/453,815.58 = 292,838.84/x - Step 3: Cross multiply
328,297.40x = 453,815.58 × 292,838.84 - Step 4: Simplify right side
328,297.40x = 132,894,828,021.13 - Step 5: Solve for x
x = 132,894,828,021.13/328,297.40 - Step 6: Final answer
x = 404,800.12
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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.