Finding the Fourth Proportional to 328,598.18, 453,465.54 and 177,695.18
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Solution
The fourth proportional to 328,598.18, 453,465.54 and 177,695.18 is: 245,219.38
Step by Step Solution
- Step 1: Write the proportion equation
328,598.18 : 453,465.54 = 177,695.18 : x - Step 2: Convert to fraction form
328,598.18/453,465.54 = 177,695.18/x - Step 3: Cross multiply
328,598.18x = 453,465.54 × 177,695.18 - Step 4: Simplify right side
328,598.18x = 80,578,640,754.10 - Step 5: Solve for x
x = 80,578,640,754.10/328,598.18 - Step 6: Final answer
x = 245,219.38
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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.