Finding the Fourth Proportional to 434,729.70, 652,094.55 and 299,427.30
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Solution
The fourth proportional to 434,729.70, 652,094.55 and 299,427.30 is: 449,140.95
Step by Step Solution
- Step 1: Write the proportion equation
434,729.70 : 652,094.55 = 299,427.30 : x - Step 2: Convert to fraction form
434,729.70/652,094.55 = 299,427.30/x - Step 3: Cross multiply
434,729.70x = 652,094.55 × 299,427.30 - Step 4: Simplify right side
434,729.70x = 195,254,910,451.22 - Step 5: Solve for x
x = 195,254,910,451.22/434,729.70 - Step 6: Final answer
x = 449,140.95
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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.