Finding the Fourth Proportional to 434,720.20, 652,080.30 and 135,219.70
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Solution
The fourth proportional to 434,720.20, 652,080.30 and 135,219.70 is: 202,829.55
Step by Step Solution
- Step 1: Write the proportion equation
434,720.20 : 652,080.30 = 135,219.70 : x - Step 2: Convert to fraction form
434,720.20/652,080.30 = 135,219.70/x - Step 3: Cross multiply
434,720.20x = 652,080.30 × 135,219.70 - Step 4: Simplify right side
434,720.20x = 88,174,102,541.91 - Step 5: Solve for x
x = 88,174,102,541.91/434,720.20 - Step 6: Final answer
x = 202,829.55
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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.