Finding the Fourth Proportional to 134,468.90, 201,703.35 and 87,229.70
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Solution
The fourth proportional to 134,468.90, 201,703.35 and 87,229.70 is: 130,844.55
Step by Step Solution
- Step 1: Write the proportion equation
134,468.90 : 201,703.35 = 87,229.70 : x - Step 2: Convert to fraction form
134,468.90/201,703.35 = 87,229.70/x - Step 3: Cross multiply
134,468.90x = 201,703.35 × 87,229.70 - Step 4: Simplify right side
134,468.90x = 17,594,522,709.50 - Step 5: Solve for x
x = 17,594,522,709.50/134,468.90 - Step 6: Final answer
x = 130,844.55
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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.