Finding the Fourth Proportional to 197,492.34, 272,532.69 and 112,636.74
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Solution
The fourth proportional to 197,492.34, 272,532.69 and 112,636.74 is: 155,434.86
Step by Step Solution
- Step 1: Write the proportion equation
197,492.34 : 272,532.69 = 112,636.74 : x - Step 2: Convert to fraction form
197,492.34/272,532.69 = 112,636.74/x - Step 3: Cross multiply
197,492.34x = 272,532.69 × 112,636.74 - Step 4: Simplify right side
197,492.34x = 30,697,193,745.03 - Step 5: Solve for x
x = 30,697,193,745.03/197,492.34 - Step 6: Final answer
x = 155,434.86
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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.