Finding the Fourth Proportional to 118,542.64, 177,814.10 and 48,421.93
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Solution
The fourth proportional to 118,542.64, 177,814.10 and 48,421.93 is: 72,632.95
Step by Step Solution
- Step 1: Write the proportion equation
118,542.64 : 177,814.10 = 48,421.93 : x - Step 2: Convert to fraction form
118,542.64/177,814.10 = 48,421.93/x - Step 3: Cross multiply
118,542.64x = 177,814.10 × 48,421.93 - Step 4: Simplify right side
118,542.64x = 8,610,101,903.21 - Step 5: Solve for x
x = 8,610,101,903.21/118,542.64 - Step 6: Final answer
x = 72,632.95
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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.