Finding the Fourth Proportional to 190,621.18, 263,029.35 and 110,035.90
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Solution
The fourth proportional to 190,621.18, 263,029.35 and 110,035.90 is: 151,833.45
Step by Step Solution
- Step 1: Write the proportion equation
190,621.18 : 263,029.35 = 110,035.90 : x - Step 2: Convert to fraction form
190,621.18/263,029.35 = 110,035.90/x - Step 3: Cross multiply
190,621.18x = 263,029.35 × 110,035.90 - Step 4: Simplify right side
190,621.18x = 28,942,671,253.67 - Step 5: Solve for x
x = 28,942,671,253.67/190,621.18 - Step 6: Final answer
x = 151,833.45
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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.