Finding the Fourth Proportional to 253,575.26, 349,909.62 and 151,580.46
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Solution
The fourth proportional to 253,575.26, 349,909.62 and 151,580.46 is: 209,166.55
Step by Step Solution
- Step 1: Write the proportion equation
253,575.26 : 349,909.62 = 151,580.46 : x - Step 2: Convert to fraction form
253,575.26/349,909.62 = 151,580.46/x - Step 3: Cross multiply
253,575.26x = 349,909.62 × 151,580.46 - Step 4: Simplify right side
253,575.26x = 53,039,462,754.40 - Step 5: Solve for x
x = 53,039,462,754.40/253,575.26 - Step 6: Final answer
x = 209,166.55
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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.