Finding the Fourth Proportional to 372,548.07, 558,905.45 and 135,890.75
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Solution
The fourth proportional to 372,548.07, 558,905.45 and 135,890.75 is: 203,866.53
Step by Step Solution
- Step 1: Write the proportion equation
372,548.07 : 558,905.45 = 135,890.75 : x - Step 2: Convert to fraction form
372,548.07/558,905.45 = 135,890.75/x - Step 3: Cross multiply
372,548.07x = 558,905.45 × 135,890.75 - Step 4: Simplify right side
372,548.07x = 75,950,081,497.40 - Step 5: Solve for x
x = 75,950,081,497.40/372,548.07 - Step 6: Final answer
x = 203,866.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.