Finding the Fourth Proportional to 374,684.99, 561,802.38 and 172,027.49
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Solution
The fourth proportional to 374,684.99, 561,802.38 and 172,027.49 is: 257,937.88
Step by Step Solution
- Step 1: Write the proportion equation
374,684.99 : 561,802.38 = 172,027.49 : x - Step 2: Convert to fraction form
374,684.99/561,802.38 = 172,027.49/x - Step 3: Cross multiply
374,684.99x = 561,802.38 × 172,027.49 - Step 4: Simplify right side
374,684.99x = 96,645,450,498.41 - Step 5: Solve for x
x = 96,645,450,498.41/374,684.99 - Step 6: Final answer
x = 257,937.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.