Finding the Fourth Proportional to 292,164.60, 438,117.30 and 134,311.80
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Solution
The fourth proportional to 292,164.60, 438,117.30 and 134,311.80 is: 201,408.12
Step by Step Solution
- Step 1: Write the proportion equation
292,164.60 : 438,117.30 = 134,311.80 : x - Step 2: Convert to fraction form
292,164.60/438,117.30 = 134,311.80/x - Step 3: Cross multiply
292,164.60x = 438,117.30 × 134,311.80 - Step 4: Simplify right side
292,164.60x = 58,844,323,174.14 - Step 5: Solve for x
x = 58,844,323,174.14/292,164.60 - Step 6: Final answer
x = 201,408.12
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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.