Finding the Fourth Proportional to 146,515.68, 202,191.48 and 79,447.68
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Solution
The fourth proportional to 146,515.68, 202,191.48 and 79,447.68 is: 109,637.71
Step by Step Solution
- Step 1: Write the proportion equation
146,515.68 : 202,191.48 = 79,447.68 : x - Step 2: Convert to fraction form
146,515.68/202,191.48 = 79,447.68/x - Step 3: Cross multiply
146,515.68x = 202,191.48 × 79,447.68 - Step 4: Simplify right side
146,515.68x = 16,063,644,001.77 - Step 5: Solve for x
x = 16,063,644,001.77/146,515.68 - Step 6: Final answer
x = 109,637.71
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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.