Finding the Fourth Proportional to 328,828.75, 453,784.08 and 177,925.75
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Solution
The fourth proportional to 328,828.75, 453,784.08 and 177,925.75 is: 245,537.75
Step by Step Solution
- Step 1: Write the proportion equation
328,828.75 : 453,784.08 = 177,925.75 : x - Step 2: Convert to fraction form
328,828.75/453,784.08 = 177,925.75/x - Step 3: Cross multiply
328,828.75x = 453,784.08 × 177,925.75 - Step 4: Simplify right side
328,828.75x = 80,739,872,772.06 - Step 5: Solve for x
x = 80,739,872,772.06/328,828.75 - Step 6: Final answer
x = 245,537.75
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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.