Finding the Fourth Proportional to 134,808.45, 202,376.70 and 68,214.30
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Solution
The fourth proportional to 134,808.45, 202,376.70 and 68,214.30 is: 102,404.45
Step by Step Solution
- Step 1: Write the proportion equation
134,808.45 : 202,376.70 = 68,214.30 : x - Step 2: Convert to fraction form
134,808.45/202,376.70 = 68,214.30/x - Step 3: Cross multiply
134,808.45x = 202,376.70 × 68,214.30 - Step 4: Simplify right side
134,808.45x = 13,804,984,926.81 - Step 5: Solve for x
x = 13,804,984,926.81/134,808.45 - Step 6: Final answer
x = 102,404.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.