Finding the Fourth Proportional to 168,156.24, 251,173.49 and 141,584.20
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Solution
The fourth proportional to 168,156.24, 251,173.49 and 141,584.20 is: 211,483.06
Step by Step Solution
- Step 1: Write the proportion equation
168,156.24 : 251,173.49 = 141,584.20 : x - Step 2: Convert to fraction form
168,156.24/251,173.49 = 141,584.20/x - Step 3: Cross multiply
168,156.24x = 251,173.49 × 141,584.20 - Step 4: Simplify right side
168,156.24x = 35,562,196,934.94 - Step 5: Solve for x
x = 35,562,196,934.94/168,156.24 - Step 6: Final answer
x = 211,483.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.