Finding the Fourth Proportional to 457,691.99, 631,630.29 and 253,730.73
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Solution
The fourth proportional to 457,691.99, 631,630.29 and 253,730.73 is: 350,156.92
Step by Step Solution
- Step 1: Write the proportion equation
457,691.99 : 631,630.29 = 253,730.73 : x - Step 2: Convert to fraction form
457,691.99/631,630.29 = 253,730.73/x - Step 3: Cross multiply
457,691.99x = 631,630.29 × 253,730.73 - Step 4: Simplify right side
457,691.99x = 160,264,014,571.81 - Step 5: Solve for x
x = 160,264,014,571.81/457,691.99 - Step 6: Final answer
x = 350,156.92
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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.