Finding the Fourth Proportional to 253,026.51, 379,526.81 and 75,534.99
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Solution
The fourth proportional to 253,026.51, 379,526.81 and 75,534.99 is: 113,298.62
Step by Step Solution
- Step 1: Write the proportion equation
253,026.51 : 379,526.81 = 75,534.99 : x - Step 2: Convert to fraction form
253,026.51/379,526.81 = 75,534.99/x - Step 3: Cross multiply
253,026.51x = 379,526.81 × 75,534.99 - Step 4: Simplify right side
253,026.51x = 28,667,553,420.41 - Step 5: Solve for x
x = 28,667,553,420.41/253,026.51 - Step 6: Final answer
x = 113,298.62
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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.