Finding the Fourth Proportional to 434,849.70, 652,274.55 and 210,317.70
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Solution
The fourth proportional to 434,849.70, 652,274.55 and 210,317.70 is: 315,476.55
Step by Step Solution
- Step 1: Write the proportion equation
434,849.70 : 652,274.55 = 210,317.70 : x - Step 2: Convert to fraction form
434,849.70/652,274.55 = 210,317.70/x - Step 3: Cross multiply
434,849.70x = 652,274.55 × 210,317.70 - Step 4: Simplify right side
434,849.70x = 137,184,883,124.54 - Step 5: Solve for x
x = 137,184,883,124.54/434,849.70 - Step 6: Final answer
x = 315,476.55
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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.