Finding the Fourth Proportional to 328,463.08, 453,278.82 and 177,560.08
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Solution
The fourth proportional to 328,463.08, 453,278.82 and 177,560.08 is: 245,032.79
Step by Step Solution
- Step 1: Write the proportion equation
328,463.08 : 453,278.82 = 177,560.08 : x - Step 2: Convert to fraction form
328,463.08/453,278.82 = 177,560.08/x - Step 3: Cross multiply
328,463.08x = 453,278.82 × 177,560.08 - Step 4: Simplify right side
328,463.08x = 80,484,223,541.51 - Step 5: Solve for x
x = 80,484,223,541.51/328,463.08 - Step 6: Final answer
x = 245,032.79
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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.