Finding the Fourth Proportional to 118,897.46, 178,294.34 and 44,973.62
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Solution
The fourth proportional to 118,897.46, 178,294.34 and 44,973.62 is: 67,440.82
Step by Step Solution
- Step 1: Write the proportion equation
118,897.46 : 178,294.34 = 44,973.62 : x - Step 2: Convert to fraction form
118,897.46/178,294.34 = 44,973.62/x - Step 3: Cross multiply
118,897.46x = 178,294.34 × 44,973.62 - Step 4: Simplify right side
118,897.46x = 8,018,541,895.31 - Step 5: Solve for x
x = 8,018,541,895.31/118,897.46 - Step 6: Final answer
x = 67,440.82
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1.5x scale
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.