Finding the Fourth Proportional to 318,998.48, 477,709.89 and 237,750.70
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Solution
The fourth proportional to 318,998.48, 477,709.89 and 237,750.70 is: 356,038.88
Step by Step Solution
- Step 1: Write the proportion equation
318,998.48 : 477,709.89 = 237,750.70 : x - Step 2: Convert to fraction form
318,998.48/477,709.89 = 237,750.70/x - Step 3: Cross multiply
318,998.48x = 477,709.89 × 237,750.70 - Step 4: Simplify right side
318,998.48x = 113,575,860,897.85 - Step 5: Solve for x
x = 113,575,860,897.85/318,998.48 - Step 6: Final answer
x = 356,038.88
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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.