Finding the Fourth Proportional to 152,747.76, 229,029.61 and 68,492.68
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Solution
The fourth proportional to 152,747.76, 229,029.61 and 68,492.68 is: 102,697.75
Step by Step Solution
- Step 1: Write the proportion equation
152,747.76 : 229,029.61 = 68,492.68 : x - Step 2: Convert to fraction form
152,747.76/229,029.61 = 68,492.68/x - Step 3: Cross multiply
152,747.76x = 229,029.61 × 68,492.68 - Step 4: Simplify right side
152,747.76x = 15,686,851,788.25 - Step 5: Solve for x
x = 15,686,851,788.25/152,747.76 - Step 6: Final answer
x = 102,697.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.