Finding the Fourth Proportional to 253,885.30, 350,360.99 and 140,708.05
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Solution
The fourth proportional to 253,885.30, 350,360.99 and 140,708.05 is: 194,176.70
Step by Step Solution
- Step 1: Write the proportion equation
253,885.30 : 350,360.99 = 140,708.05 : x - Step 2: Convert to fraction form
253,885.30/350,360.99 = 140,708.05/x - Step 3: Cross multiply
253,885.30x = 350,360.99 × 140,708.05 - Step 4: Simplify right side
253,885.30x = 49,298,610,995.43 - Step 5: Solve for x
x = 49,298,610,995.43/253,885.30 - Step 6: Final answer
x = 194,176.70
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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.