Finding the Fourth Proportional to 355,570.26, 533,355.92 and 145,208.21
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Solution
The fourth proportional to 355,570.26, 533,355.92 and 145,208.21 is: 217,812.53
Step by Step Solution
- Step 1: Write the proportion equation
355,570.26 : 533,355.92 = 145,208.21 : x - Step 2: Convert to fraction form
355,570.26/533,355.92 = 145,208.21/x - Step 3: Cross multiply
355,570.26x = 533,355.92 × 145,208.21 - Step 4: Simplify right side
355,570.26x = 77,447,658,436.10 - Step 5: Solve for x
x = 77,447,658,436.10/355,570.26 - Step 6: Final answer
x = 217,812.53
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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.