Finding the Fourth Proportional to 340,503.24, 511,206.30 and 290,902.08
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Solution
The fourth proportional to 340,503.24, 511,206.30 and 290,902.08 is: 436,738.80
Step by Step Solution
- Step 1: Write the proportion equation
340,503.24 : 511,206.30 = 290,902.08 : x - Step 2: Convert to fraction form
340,503.24/511,206.30 = 290,902.08/x - Step 3: Cross multiply
340,503.24x = 511,206.30 × 290,902.08 - Step 4: Simplify right side
340,503.24x = 148,710,975,979.10 - Step 5: Solve for x
x = 148,710,975,979.10/340,503.24 - Step 6: Final answer
x = 436,738.80
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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.