Finding the Fourth Proportional to 134,415.30, 201,622.95 and 40,908.90
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Solution
The fourth proportional to 134,415.30, 201,622.95 and 40,908.90 is: 61,363.35
Step by Step Solution
- Step 1: Write the proportion equation
134,415.30 : 201,622.95 = 40,908.90 : x - Step 2: Convert to fraction form
134,415.30/201,622.95 = 40,908.90/x - Step 3: Cross multiply
134,415.30x = 201,622.95 × 40,908.90 - Step 4: Simplify right side
134,415.30x = 8,248,173,099.26 - Step 5: Solve for x
x = 8,248,173,099.26/134,415.30 - Step 6: Final answer
x = 61,363.35
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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.