Finding the Fourth Proportional to 328,878.95, 453,854.37 and 177,975.95
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Solution
The fourth proportional to 328,878.95, 453,854.37 and 177,975.95 is: 245,607.58
Step by Step Solution
- Step 1: Write the proportion equation
328,878.95 : 453,854.37 = 177,975.95 : x - Step 2: Convert to fraction form
328,878.95/453,854.37 = 177,975.95/x - Step 3: Cross multiply
328,878.95x = 453,854.37 × 177,975.95 - Step 4: Simplify right side
328,878.95x = 80,775,162,662.40 - Step 5: Solve for x
x = 80,775,162,662.40/328,878.95 - Step 6: Final answer
x = 245,607.58
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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.