Finding the Fourth Proportional to 197,156.52, 272,124.36 and 112,323.60
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Solution
The fourth proportional to 197,156.52, 272,124.36 and 112,323.60 is: 155,034.12
Step by Step Solution
- Step 1: Write the proportion equation
197,156.52 : 272,124.36 = 112,323.60 : x - Step 2: Convert to fraction form
197,156.52/272,124.36 = 112,323.60/x - Step 3: Cross multiply
197,156.52x = 272,124.36 × 112,323.60 - Step 4: Simplify right side
197,156.52x = 30,565,987,762.90 - Step 5: Solve for x
x = 30,565,987,762.90/197,156.52 - Step 6: Final answer
x = 155,034.12
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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.