Finding the Fourth Proportional to 145,642.96, 201,049.36 and 97,924.12
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Solution
The fourth proportional to 145,642.96, 201,049.36 and 97,924.12 is: 135,177.02
Step by Step Solution
- Step 1: Write the proportion equation
145,642.96 : 201,049.36 = 97,924.12 : x - Step 2: Convert to fraction form
145,642.96/201,049.36 = 97,924.12/x - Step 3: Cross multiply
145,642.96x = 201,049.36 × 97,924.12 - Step 4: Simplify right side
145,642.96x = 19,687,581,654.56 - Step 5: Solve for x
x = 19,687,581,654.56/145,642.96 - Step 6: Final answer
x = 135,177.02
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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.