Finding the Fourth Proportional to 197,214.75, 272,156.36 and 112,381.02
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Solution
The fourth proportional to 197,214.75, 272,156.36 and 112,381.02 is: 155,085.81
Step by Step Solution
- Step 1: Write the proportion equation
197,214.75 : 272,156.36 = 112,381.02 : x - Step 2: Convert to fraction form
197,214.75/272,156.36 = 112,381.02/x - Step 3: Cross multiply
197,214.75x = 272,156.36 × 112,381.02 - Step 4: Simplify right side
197,214.75x = 30,585,208,774.38 - Step 5: Solve for x
x = 30,585,208,774.38/197,214.75 - Step 6: Final answer
x = 155,085.81
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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.