Finding the Fourth Proportional to 368,213.13, 508,137.16 and 207,066.77
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Solution
The fourth proportional to 368,213.13, 508,137.16 and 207,066.77 is: 285,753.85
Step by Step Solution
- Step 1: Write the proportion equation
368,213.13 : 508,137.16 = 207,066.77 : x - Step 2: Convert to fraction form
368,213.13/508,137.16 = 207,066.77/x - Step 3: Cross multiply
368,213.13x = 508,137.16 × 207,066.77 - Step 4: Simplify right side
368,213.13x = 105,218,320,438.17 - Step 5: Solve for x
x = 105,218,320,438.17/368,213.13 - Step 6: Final answer
x = 285,753.85
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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.