Finding the Fourth Proportional to 649,102.50, 973,779.30 and 199,743.66
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Solution
The fourth proportional to 649,102.50, 973,779.30 and 199,743.66 is: 299,654.12
Step by Step Solution
- Step 1: Write the proportion equation
649,102.50 : 973,779.30 = 199,743.66 : x - Step 2: Convert to fraction form
649,102.50/973,779.30 = 199,743.66/x - Step 3: Cross multiply
649,102.50x = 973,779.30 × 199,743.66 - Step 4: Simplify right side
649,102.50x = 194,506,241,414.24 - Step 5: Solve for x
x = 194,506,241,414.24/649,102.50 - Step 6: Final answer
x = 299,654.12
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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.