Finding the Fourth Proportional to 302,691.84, 453,826.35 and 134,120.63
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Solution
The fourth proportional to 302,691.84, 453,826.35 and 134,120.63 is: 201,087.27
Step by Step Solution
- Step 1: Write the proportion equation
302,691.84 : 453,826.35 = 134,120.63 : x - Step 2: Convert to fraction form
302,691.84/453,826.35 = 134,120.63/x - Step 3: Cross multiply
302,691.84x = 453,826.35 × 134,120.63 - Step 4: Simplify right side
302,691.84x = 60,867,475,972.60 - Step 5: Solve for x
x = 60,867,475,972.60/302,691.84 - Step 6: Final answer
x = 201,087.27
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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.