Finding the Fourth Proportional to 539,317.13, 809,284.80 and 219,409.97
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Solution
The fourth proportional to 539,317.13, 809,284.80 and 219,409.97 is: 329,240.70
Step by Step Solution
- Step 1: Write the proportion equation
539,317.13 : 809,284.80 = 219,409.97 : x - Step 2: Convert to fraction form
539,317.13/809,284.80 = 219,409.97/x - Step 3: Cross multiply
539,317.13x = 809,284.80 × 219,409.97 - Step 4: Simplify right side
539,317.13x = 177,565,149,643.03 - Step 5: Solve for x
x = 177,565,149,643.03/539,317.13 - Step 6: Final answer
x = 329,240.70
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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.