Finding the Fourth Proportional to 359,823.36, 539,640.84 and 107,035.74
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Solution
The fourth proportional to 359,823.36, 539,640.84 and 107,035.74 is: 160,525.59
Step by Step Solution
- Step 1: Write the proportion equation
359,823.36 : 539,640.84 = 107,035.74 : x - Step 2: Convert to fraction form
359,823.36/539,640.84 = 107,035.74/x - Step 3: Cross multiply
359,823.36x = 539,640.84 × 107,035.74 - Step 4: Simplify right side
359,823.36x = 57,760,856,643.62 - Step 5: Solve for x
x = 57,760,856,643.62/359,823.36 - Step 6: Final answer
x = 160,525.59
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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.