Finding the Fourth Proportional to 355,569.26, 533,354.42 and 145,207.21
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Solution
The fourth proportional to 355,569.26, 533,354.42 and 145,207.21 is: 217,811.02
Step by Step Solution
- Step 1: Write the proportion equation
355,569.26 : 533,354.42 = 145,207.21 : x - Step 2: Convert to fraction form
355,569.26/533,354.42 = 145,207.21/x - Step 3: Cross multiply
355,569.26x = 533,354.42 × 145,207.21 - Step 4: Simplify right side
355,569.26x = 77,446,903,876.56 - Step 5: Solve for x
x = 77,446,903,876.56/355,569.26 - Step 6: Final answer
x = 217,811.02
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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.