Finding the Fourth Proportional to 351,917.60, 528,103.20 and 194,259.20
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Solution
The fourth proportional to 351,917.60, 528,103.20 and 194,259.20 is: 291,513.99
Step by Step Solution
- Step 1: Write the proportion equation
351,917.60 : 528,103.20 = 194,259.20 : x - Step 2: Convert to fraction form
351,917.60/528,103.20 = 194,259.20/x - Step 3: Cross multiply
351,917.60x = 528,103.20 × 194,259.20 - Step 4: Simplify right side
351,917.60x = 102,588,905,149.44 - Step 5: Solve for x
x = 102,588,905,149.44/351,917.60 - Step 6: Final answer
x = 291,513.99
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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.