Finding the Fourth Proportional to 499,060.99, 748,511.16 and 139,241.17
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Solution
The fourth proportional to 499,060.99, 748,511.16 and 139,241.17 is: 208,839.34
Step by Step Solution
- Step 1: Write the proportion equation
499,060.99 : 748,511.16 = 139,241.17 : x - Step 2: Convert to fraction form
499,060.99/748,511.16 = 139,241.17/x - Step 3: Cross multiply
499,060.99x = 748,511.16 × 139,241.17 - Step 4: Simplify right side
499,060.99x = 104,223,569,676.46 - Step 5: Solve for x
x = 104,223,569,676.46/499,060.99 - Step 6: Final answer
x = 208,839.34
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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.