Finding the Fourth Proportional to 177,975.60, 245,606.43 and 97,403.09
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Solution
The fourth proportional to 177,975.60, 245,606.43 and 97,403.09 is: 134,416.31
Step by Step Solution
- Step 1: Write the proportion equation
177,975.60 : 245,606.43 = 97,403.09 : x - Step 2: Convert to fraction form
177,975.60/245,606.43 = 97,403.09/x - Step 3: Cross multiply
177,975.60x = 245,606.43 × 97,403.09 - Step 4: Simplify right side
177,975.60x = 23,922,823,977.84 - Step 5: Solve for x
x = 23,922,823,977.84/177,975.60 - Step 6: Final answer
x = 134,416.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.