Finding the Fourth Proportional to 434,710.20, 652,065.30 and 135,209.70
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Solution
The fourth proportional to 434,710.20, 652,065.30 and 135,209.70 is: 202,814.55
Step by Step Solution
- Step 1: Write the proportion equation
434,710.20 : 652,065.30 = 135,209.70 : x - Step 2: Convert to fraction form
434,710.20/652,065.30 = 135,209.70/x - Step 3: Cross multiply
434,710.20x = 652,065.30 × 135,209.70 - Step 4: Simplify right side
434,710.20x = 88,165,553,593.41 - Step 5: Solve for x
x = 88,165,553,593.41/434,710.20 - Step 6: Final answer
x = 202,814.55
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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.