Finding the Fourth Proportional to 372,905.13, 559,357.70 and 123,587.13
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Solution
The fourth proportional to 372,905.13, 559,357.70 and 123,587.13 is: 185,380.70
Step by Step Solution
- Step 1: Write the proportion equation
372,905.13 : 559,357.70 = 123,587.13 : x - Step 2: Convert to fraction form
372,905.13/559,357.70 = 123,587.13/x - Step 3: Cross multiply
372,905.13x = 559,357.70 × 123,587.13 - Step 4: Simplify right side
372,905.13x = 69,129,412,786.40 - Step 5: Solve for x
x = 69,129,412,786.40/372,905.13 - Step 6: Final answer
x = 185,380.70
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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.