Finding the Fourth Proportional to 545,998.97, 753,481.10 and 316,692.02
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Solution
The fourth proportional to 545,998.97, 753,481.10 and 316,692.02 is: 437,036.44
Step by Step Solution
- Step 1: Write the proportion equation
545,998.97 : 753,481.10 = 316,692.02 : x - Step 2: Convert to fraction form
545,998.97/753,481.10 = 316,692.02/x - Step 3: Cross multiply
545,998.97x = 753,481.10 × 316,692.02 - Step 4: Simplify right side
545,998.97x = 238,621,446,239.96 - Step 5: Solve for x
x = 238,621,446,239.96/545,998.97 - Step 6: Final answer
x = 437,036.44
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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.