Finding the Fourth Proportional to 131,787.84, 197,652.11 and 60,642.23
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Solution
The fourth proportional to 131,787.84, 197,652.11 and 60,642.23 is: 90,949.70
Step by Step Solution
- Step 1: Write the proportion equation
131,787.84 : 197,652.11 = 60,642.23 : x - Step 2: Convert to fraction form
131,787.84/197,652.11 = 60,642.23/x - Step 3: Cross multiply
131,787.84x = 197,652.11 × 60,642.23 - Step 4: Simplify right side
131,787.84x = 11,986,064,714.61 - Step 5: Solve for x
x = 11,986,064,714.61/131,787.84 - Step 6: Final answer
x = 90,949.70
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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.