Finding the Fourth Proportional to 539,106.30, 743,940.18 and 324,204.66
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Solution
The fourth proportional to 539,106.30, 743,940.18 and 324,204.66 is: 447,386.49
Step by Step Solution
- Step 1: Write the proportion equation
539,106.30 : 743,940.18 = 324,204.66 : x - Step 2: Convert to fraction form
539,106.30/743,940.18 = 324,204.66/x - Step 3: Cross multiply
539,106.30x = 743,940.18 × 324,204.66 - Step 4: Simplify right side
539,106.30x = 241,188,873,117.24 - Step 5: Solve for x
x = 241,188,873,117.24/539,106.30 - Step 6: Final answer
x = 447,386.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.