Finding the Fourth Proportional to 328,457.84, 453,271.64 and 177,555.12
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Solution
The fourth proportional to 328,457.84, 453,271.64 and 177,555.12 is: 245,025.97
Step by Step Solution
- Step 1: Write the proportion equation
328,457.84 : 453,271.64 = 177,555.12 : x - Step 2: Convert to fraction form
328,457.84/453,271.64 = 177,555.12/x - Step 3: Cross multiply
328,457.84x = 453,271.64 × 177,555.12 - Step 4: Simplify right side
328,457.84x = 80,480,700,432.80 - Step 5: Solve for x
x = 80,480,700,432.80/328,457.84 - Step 6: Final answer
x = 245,025.97
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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.