Finding the Fourth Proportional to 434,855.70, 652,345.07 and 135,366.54
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Solution
The fourth proportional to 434,855.70, 652,345.07 and 135,366.54 is: 203,068.96
Step by Step Solution
- Step 1: Write the proportion equation
434,855.70 : 652,345.07 = 135,366.54 : x - Step 2: Convert to fraction form
434,855.70/652,345.07 = 135,366.54/x - Step 3: Cross multiply
434,855.70x = 652,345.07 × 135,366.54 - Step 4: Simplify right side
434,855.70x = 88,305,695,011.96 - Step 5: Solve for x
x = 88,305,695,011.96/434,855.70 - Step 6: Final answer
x = 203,068.96
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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.