Finding the Fourth Proportional to 251,234.19, 346,705.92 and 138,056.94
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Solution
The fourth proportional to 251,234.19, 346,705.92 and 138,056.94 is: 190,520.08
Step by Step Solution
- Step 1: Write the proportion equation
251,234.19 : 346,705.92 = 138,056.94 : x - Step 2: Convert to fraction form
251,234.19/346,705.92 = 138,056.94/x - Step 3: Cross multiply
251,234.19x = 346,705.92 × 138,056.94 - Step 4: Simplify right side
251,234.19x = 47,865,158,395.08 - Step 5: Solve for x
x = 47,865,158,395.08/251,234.19 - Step 6: Final answer
x = 190,520.08
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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.