Finding the Fourth Proportional to 328,534.19, 453,377.18 and 177,631.19
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Solution
The fourth proportional to 328,534.19, 453,377.18 and 177,631.19 is: 245,131.04
Step by Step Solution
- Step 1: Write the proportion equation
328,534.19 : 453,377.18 = 177,631.19 : x - Step 2: Convert to fraction form
328,534.19/453,377.18 = 177,631.19/x - Step 3: Cross multiply
328,534.19x = 453,377.18 × 177,631.19 - Step 4: Simplify right side
328,534.19x = 80,533,928,002.24 - Step 5: Solve for x
x = 80,533,928,002.24/328,534.19 - Step 6: Final answer
x = 245,131.04
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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.