Finding the Fourth Proportional to 328,467.12, 453,284.88 and 177,564.08
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Solution
The fourth proportional to 328,467.12, 453,284.88 and 177,564.08 is: 245,038.57
Step by Step Solution
- Step 1: Write the proportion equation
328,467.12 : 453,284.88 = 177,564.08 : x - Step 2: Convert to fraction form
328,467.12/453,284.88 = 177,564.08/x - Step 3: Cross multiply
328,467.12x = 453,284.88 × 177,564.08 - Step 4: Simplify right side
328,467.12x = 80,487,112,695.11 - Step 5: Solve for x
x = 80,487,112,695.11/328,467.12 - Step 6: Final answer
x = 245,038.57
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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.