Finding the Fourth Proportional to 349,267.74, 523,905.27 and 279,589.98
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Solution
The fourth proportional to 349,267.74, 523,905.27 and 279,589.98 is: 419,387.90
Step by Step Solution
- Step 1: Write the proportion equation
349,267.74 : 523,905.27 = 279,589.98 : x - Step 2: Convert to fraction form
349,267.74/523,905.27 = 279,589.98/x - Step 3: Cross multiply
349,267.74x = 523,905.27 × 279,589.98 - Step 4: Simplify right side
349,267.74x = 146,478,663,961.20 - Step 5: Solve for x
x = 146,478,663,961.20/349,267.74 - Step 6: Final answer
x = 419,387.90
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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.