Finding the Fourth Proportional to 355,644.98, 533,747.92 and 156,103.10
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Solution
The fourth proportional to 355,644.98, 533,747.92 and 156,103.10 is: 234,277.75
Step by Step Solution
- Step 1: Write the proportion equation
355,644.98 : 533,747.92 = 156,103.10 : x - Step 2: Convert to fraction form
355,644.98/533,747.92 = 156,103.10/x - Step 3: Cross multiply
355,644.98x = 533,747.92 × 156,103.10 - Step 4: Simplify right side
355,644.98x = 83,319,704,930.55 - Step 5: Solve for x
x = 83,319,704,930.55/355,644.98 - Step 6: Final answer
x = 234,277.75
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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.