Finding the Fourth Proportional to 197,311.68, 272,283.48 and 124,753.63
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Solution
The fourth proportional to 197,311.68, 272,283.48 and 124,753.63 is: 172,155.81
Step by Step Solution
- Step 1: Write the proportion equation
197,311.68 : 272,283.48 = 124,753.63 : x - Step 2: Convert to fraction form
197,311.68/272,283.48 = 124,753.63/x - Step 3: Cross multiply
197,311.68x = 272,283.48 × 124,753.63 - Step 4: Simplify right side
197,311.68x = 33,968,352,582.77 - Step 5: Solve for x
x = 33,968,352,582.77/197,311.68 - Step 6: Final answer
x = 172,155.81
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1.5x scale
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.