Finding the Fourth Proportional to 452,630.18, 678,944.34 and 115,670.80
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Solution
The fourth proportional to 452,630.18, 678,944.34 and 115,670.80 is: 173,505.96
Step by Step Solution
- Step 1: Write the proportion equation
452,630.18 : 678,944.34 = 115,670.80 : x - Step 2: Convert to fraction form
452,630.18/678,944.34 = 115,670.80/x - Step 3: Cross multiply
452,630.18x = 678,944.34 × 115,670.80 - Step 4: Simplify right side
452,630.18x = 78,534,034,963.27 - Step 5: Solve for x
x = 78,534,034,963.27/452,630.18 - Step 6: Final answer
x = 173,505.96
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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.