Finding the Fourth Proportional to 648,644.44, 973,059.68 and 199,402.98
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Solution
The fourth proportional to 648,644.44, 973,059.68 and 199,402.98 is: 299,133.07
Step by Step Solution
- Step 1: Write the proportion equation
648,644.44 : 973,059.68 = 199,402.98 : x - Step 2: Convert to fraction form
648,644.44/973,059.68 = 199,402.98/x - Step 3: Cross multiply
648,644.44x = 973,059.68 × 199,402.98 - Step 4: Simplify right side
648,644.44x = 194,030,999,909.85 - Step 5: Solve for x
x = 194,030,999,909.85/648,644.44 - Step 6: Final answer
x = 299,133.07
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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.