Finding the Fourth Proportional to 458,492.87, 687,518.09 and 192,181.88
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Solution
The fourth proportional to 458,492.87, 687,518.09 and 192,181.88 is: 288,180.09
Step by Step Solution
- Step 1: Write the proportion equation
458,492.87 : 687,518.09 = 192,181.88 : x - Step 2: Convert to fraction form
458,492.87/687,518.09 = 192,181.88/x - Step 3: Cross multiply
458,492.87x = 687,518.09 × 192,181.88 - Step 4: Simplify right side
458,492.87x = 132,128,514,671.71 - Step 5: Solve for x
x = 132,128,514,671.71/458,492.87 - Step 6: Final answer
x = 288,180.09
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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.