Finding the Fourth Proportional to 359,779.94, 539,571.38 and 135,122.99
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Solution
The fourth proportional to 359,779.94, 539,571.38 and 135,122.99 is: 202,647.48
Step by Step Solution
- Step 1: Write the proportion equation
359,779.94 : 539,571.38 = 135,122.99 : x - Step 2: Convert to fraction form
359,779.94/539,571.38 = 135,122.99/x - Step 3: Cross multiply
359,779.94x = 539,571.38 × 135,122.99 - Step 4: Simplify right side
359,779.94x = 72,908,498,184.03 - Step 5: Solve for x
x = 72,908,498,184.03/359,779.94 - Step 6: Final answer
x = 202,647.48
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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.