Finding the Fourth Proportional to 361,079.36, 497,767.20 and 253,315.52
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Solution
The fourth proportional to 361,079.36, 497,767.20 and 253,315.52 is: 349,208.99
Step by Step Solution
- Step 1: Write the proportion equation
361,079.36 : 497,767.20 = 253,315.52 : x - Step 2: Convert to fraction form
361,079.36/497,767.20 = 253,315.52/x - Step 3: Cross multiply
361,079.36x = 497,767.20 × 253,315.52 - Step 4: Simplify right side
361,079.36x = 126,092,157,106.94 - Step 5: Solve for x
x = 126,092,157,106.94/361,079.36 - Step 6: Final answer
x = 349,208.99
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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.