Finding the Fourth Proportional to 457,416.99, 631,028.44 and 276,070.95
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Solution
The fourth proportional to 457,416.99, 631,028.44 and 276,070.95 is: 380,852.97
Step by Step Solution
- Step 1: Write the proportion equation
457,416.99 : 631,028.44 = 276,070.95 : x - Step 2: Convert to fraction form
457,416.99/631,028.44 = 276,070.95/x - Step 3: Cross multiply
457,416.99x = 631,028.44 × 276,070.95 - Step 4: Simplify right side
457,416.99x = 174,208,620,217.64 - Step 5: Solve for x
x = 174,208,620,217.64/457,416.99 - Step 6: Final answer
x = 380,852.97
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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.