Finding the Fourth Proportional to 538,729.14, 808,088.37 and 206,305.14
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Solution
The fourth proportional to 538,729.14, 808,088.37 and 206,305.14 is: 309,455.67
Step by Step Solution
- Step 1: Write the proportion equation
538,729.14 : 808,088.37 = 206,305.14 : x - Step 2: Convert to fraction form
538,729.14/808,088.37 = 206,305.14/x - Step 3: Cross multiply
538,729.14x = 808,088.37 × 206,305.14 - Step 4: Simplify right side
538,729.14x = 166,712,784,305.22 - Step 5: Solve for x
x = 166,712,784,305.22/538,729.14 - Step 6: Final answer
x = 309,455.67
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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.