Finding the Fourth Proportional to 538,553.80, 808,486.80 and 272,177.20
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Solution
The fourth proportional to 538,553.80, 808,486.80 and 272,177.20 is: 408,597.38
Step by Step Solution
- Step 1: Write the proportion equation
538,553.80 : 808,486.80 = 272,177.20 : x - Step 2: Convert to fraction form
538,553.80/808,486.80 = 272,177.20/x - Step 3: Cross multiply
538,553.80x = 808,486.80 × 272,177.20 - Step 4: Simplify right side
538,553.80x = 220,051,673,460.96 - Step 5: Solve for x
x = 220,051,673,460.96/538,553.80 - Step 6: Final answer
x = 408,597.38
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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.