Finding the Fourth Proportional to 118,265.16, 177,421.07 and 43,385.99
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Solution
The fourth proportional to 118,265.16, 177,421.07 and 43,385.99 is: 65,087.54
Step by Step Solution
- Step 1: Write the proportion equation
118,265.16 : 177,421.07 = 43,385.99 : x - Step 2: Convert to fraction form
118,265.16/177,421.07 = 43,385.99/x - Step 3: Cross multiply
118,265.16x = 177,421.07 × 43,385.99 - Step 4: Simplify right side
118,265.16x = 7,697,588,768.81 - Step 5: Solve for x
x = 7,697,588,768.81/118,265.16 - Step 6: Final answer
x = 65,087.54
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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.