Finding the Fourth Proportional to 141,539.42, 212,309.12 and 97,031.23
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Solution
The fourth proportional to 141,539.42, 212,309.12 and 97,031.23 is: 145,546.84
Step by Step Solution
- Step 1: Write the proportion equation
141,539.42 : 212,309.12 = 97,031.23 : x - Step 2: Convert to fraction form
141,539.42/212,309.12 = 97,031.23/x - Step 3: Cross multiply
141,539.42x = 212,309.12 × 97,031.23 - Step 4: Simplify right side
141,539.42x = 20,600,615,414.06 - Step 5: Solve for x
x = 20,600,615,414.06/141,539.42 - Step 6: Final answer
x = 145,546.84
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1.5x scale
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.