Finding the Fourth Proportional to 118,416.82, 177,559.35 and 39,487.99
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Solution
The fourth proportional to 118,416.82, 177,559.35 and 39,487.99 is: 59,210.02
Step by Step Solution
- Step 1: Write the proportion equation
118,416.82 : 177,559.35 = 39,487.99 : x - Step 2: Convert to fraction form
118,416.82/177,559.35 = 39,487.99/x - Step 3: Cross multiply
118,416.82x = 177,559.35 × 39,487.99 - Step 4: Simplify right side
118,416.82x = 7,011,461,837.21 - Step 5: Solve for x
x = 7,011,461,837.21/118,416.82 - Step 6: Final answer
x = 59,210.02
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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.