Finding the Fourth Proportional to 486,649.74, 671,562.99 and 271,783.50
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Solution
The fourth proportional to 486,649.74, 671,562.99 and 271,783.50 is: 375,053.61
Step by Step Solution
- Step 1: Write the proportion equation
486,649.74 : 671,562.99 = 271,783.50 : x - Step 2: Convert to fraction form
486,649.74/671,562.99 = 271,783.50/x - Step 3: Cross multiply
486,649.74x = 671,562.99 × 271,783.50 - Step 4: Simplify right side
486,649.74x = 182,519,739,892.67 - Step 5: Solve for x
x = 182,519,739,892.67/486,649.74 - Step 6: Final answer
x = 375,053.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.