Finding the Fourth Proportional to 197,588.52, 272,733.48 and 112,762.08
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Solution
The fourth proportional to 197,588.52, 272,733.48 and 112,762.08 is: 155,646.67
Step by Step Solution
- Step 1: Write the proportion equation
197,588.52 : 272,733.48 = 112,762.08 : x - Step 2: Convert to fraction form
197,588.52/272,733.48 = 112,762.08/x - Step 3: Cross multiply
197,588.52x = 272,733.48 × 112,762.08 - Step 4: Simplify right side
197,588.52x = 30,753,994,490.44 - Step 5: Solve for x
x = 30,753,994,490.44/197,588.52 - Step 6: Final answer
x = 155,646.67
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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.