Finding the Fourth Proportional to 251,113.80, 376,670.70 and 146,137.80
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Solution
The fourth proportional to 251,113.80, 376,670.70 and 146,137.80 is: 219,206.70
Step by Step Solution
- Step 1: Write the proportion equation
251,113.80 : 376,670.70 = 146,137.80 : x - Step 2: Convert to fraction form
251,113.80/376,670.70 = 146,137.80/x - Step 3: Cross multiply
251,113.80x = 376,670.70 × 146,137.80 - Step 4: Simplify right side
251,113.80x = 55,045,827,422.46 - Step 5: Solve for x
x = 55,045,827,422.46/251,113.80 - Step 6: Final answer
x = 219,206.70
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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.