Finding the Fourth Proportional to 298,226.64, 411,576.48 and 170,914.08
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Solution
The fourth proportional to 298,226.64, 411,576.48 and 170,914.08 is: 235,875.02
Step by Step Solution
- Step 1: Write the proportion equation
298,226.64 : 411,576.48 = 170,914.08 : x - Step 2: Convert to fraction form
298,226.64/411,576.48 = 170,914.08/x - Step 3: Cross multiply
298,226.64x = 411,576.48 × 170,914.08 - Step 4: Simplify right side
298,226.64x = 70,344,215,428.84 - Step 5: Solve for x
x = 70,344,215,428.84/298,226.64 - Step 6: Final answer
x = 235,875.02
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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.