Finding the Fourth Proportional to 253,536.58, 349,866.60 and 138,793.03
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Solution
The fourth proportional to 253,536.58, 349,866.60 and 138,793.03 is: 191,526.78
Step by Step Solution
- Step 1: Write the proportion equation
253,536.58 : 349,866.60 = 138,793.03 : x - Step 2: Convert to fraction form
253,536.58/349,866.60 = 138,793.03/x - Step 3: Cross multiply
253,536.58x = 349,866.60 × 138,793.03 - Step 4: Simplify right side
253,536.58x = 48,559,045,509.80 - Step 5: Solve for x
x = 48,559,045,509.80/253,536.58 - Step 6: Final answer
x = 191,526.78
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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.