Finding the Fourth Proportional to 97,241.09, 134,194.14 and 54,219.31
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Solution
The fourth proportional to 97,241.09, 134,194.14 and 54,219.31 is: 74,823.45
Step by Step Solution
- Step 1: Write the proportion equation
97,241.09 : 134,194.14 = 54,219.31 : x - Step 2: Convert to fraction form
97,241.09/134,194.14 = 54,219.31/x - Step 3: Cross multiply
97,241.09x = 134,194.14 × 54,219.31 - Step 4: Simplify right side
97,241.09x = 7,275,913,341.36 - Step 5: Solve for x
x = 7,275,913,341.36/97,241.09 - Step 6: Final answer
x = 74,823.45
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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.