Finding the Fourth Proportional to 457,480.68, 631,315.68 and 253,530.92
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Solution
The fourth proportional to 457,480.68, 631,315.68 and 253,530.92 is: 349,868.43
Step by Step Solution
- Step 1: Write the proportion equation
457,480.68 : 631,315.68 = 253,530.92 : x - Step 2: Convert to fraction form
457,480.68/631,315.68 = 253,530.92/x - Step 3: Cross multiply
457,480.68x = 631,315.68 × 253,530.92 - Step 4: Simplify right side
457,480.68x = 160,058,045,160.83 - Step 5: Solve for x
x = 160,058,045,160.83/457,480.68 - Step 6: Final answer
x = 349,868.43
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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.