Finding the Fourth Proportional to 434,722.20, 652,277.70 and 209,995.80
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Solution
The fourth proportional to 434,722.20, 652,277.70 and 209,995.80 is: 315,087.61
Step by Step Solution
- Step 1: Write the proportion equation
434,722.20 : 652,277.70 = 209,995.80 : x - Step 2: Convert to fraction form
434,722.20/652,277.70 = 209,995.80/x - Step 3: Cross multiply
434,722.20x = 652,277.70 × 209,995.80 - Step 4: Simplify right side
434,722.20x = 136,975,577,433.66 - Step 5: Solve for x
x = 136,975,577,433.66/434,722.20 - Step 6: Final answer
x = 315,087.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.